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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in interest and other debt expenses payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestPayableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Interest Payable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CurioBrandsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Curio Brands, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CurioBrandsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Curio Brands, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CurioBrandsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Curio Brands, LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfNonAccrualInvestmentAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of non accrual Investment at fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfNonAccrualInvestmentAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Non Accrual Investment At Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfNonAccrualInvestmentAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of non-accrual investment at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PayableOfUnitsSubscribed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payable Of Units Subscribed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PayableOfUnitsSubscribed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payable Of Units Subscribed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PayableOfUnitsSubscribed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payable for units subscribed (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AffiliatedInvestmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Affiliated investment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AffiliatedInvestmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Affiliated Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AffiliatedInvestmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Affiliated Investment Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position Location, Balance [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CancellationOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cancellation Of Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CancellationOfUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cancellation Of Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CancellationOfUnits_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cancellation of units (Note 9)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RoundingThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">RoundingThreshold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RoundingThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">RoundingThreshold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RoundingThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rounding threshold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive Fee Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeLossNetOfCapitalLossCarryForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxable Income (Loss) Net Of Capital Loss Carry Forward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeLossNetOfCapitalLossCarryForward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Taxable income (loss) net of capital loss carry forward.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeLossNetOfCapitalLossCarryForward_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Taxable income net of capital loss carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDispositionOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Disposition of Investment, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromDispositionOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sales of investments and principal repayments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Highlights [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Financial Highlights of the Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AntiTrustFilingFeesPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Anti trust Filing Fees Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AntiTrustFilingFeesPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Anti trust Filing Fees Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AntiTrustFilingFeesPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Anti trust filing fees percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Affiliated Issuer, Noncontrolled [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Controlled Affiliated Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">From Non-controlled Affiliated Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedProceedsIntendedForDistributionAndFormerIncentiveFeeSatisfied_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Designated Proceeds Intended For Distribution And Former Incentive Fee Satisfied</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedProceedsIntendedForDistributionAndFormerIncentiveFeeSatisfied_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of designated proceeds intended for distribution and former incentive fee satisfied.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedProceedsIntendedForDistributionAndFormerIncentiveFeeSatisfied_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of designated proceeds intended for distribution and former incentive fee satisfied</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MarquisSoftwareSolutionsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Marquis Software Solutions Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MarquisSoftwareSolutionsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Marquis Software Solutions Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MarquisSoftwareSolutionsIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Marquis Software Solutions Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Limited Partners Units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionEquityInterestIssuedOrIssuableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interest [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Oil and Gas, Full Cost Method, Capitalized Cost Excluded from Amortization, Acquisition Cost, Period Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members' Capital, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualInvestmentAdvisoryExpensePercentageMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Investment Advisory Expense Percentage Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualInvestmentAdvisoryExpensePercentageMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual investment advisory expense percentage maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualInvestmentAdvisoryExpensePercentageMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annual investment advisory expense percentage maximum.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WineComLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Wine.com, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WineComLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Wine.com, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WineComLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Wine.com, LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board of Directors Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ThreeMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">3 month SOFR</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ThreeMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Three Month S O F R Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ThreeMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Three month SOFR.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Revenue Service (IRS) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OurOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Our Operations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OurOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Our operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Approach</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation, Income Approach [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossFromOperationsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss) from Operations, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossFromOperationsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase (decrease) in Members' Capital from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossFromOperationsPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase (decrease) in Members' Capital from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Software member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Software [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Software</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Par (4)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Balance, Principal Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIdentifierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Identifier [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Warrants</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and members' capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Amount of Assets or (Liabilities)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Amount of Assets or (Liabilities)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investment interest Rate of Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate (3)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfPartnersCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Partners' Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesByIndustryAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Sector [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuredBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuredBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Secured borrowings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuredBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Secured borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfInvestmentHoldingsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Investment Holdings [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Income Tax Note [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalIncomeTaxNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Aggregate Unrealized Appreciation and Depreciation on Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings on debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members' capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Affiliated Issuer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAffiliatedIssuerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment, Affiliated Issuer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnfundedCapitalCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unfunded Capital Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnfundedCapitalCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unfunded Capital Commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnfundedCapitalCommitments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unfunded capital commitments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementThirdPartyEngagedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Third Party Engaged [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Currency Sold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Notional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NetChangeInUnrealizedAppreciationDepreciationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net change in unrealized appreciation depreciation.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in aggregate facility committments</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BuildingProductsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Building products member.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NetUnrealizedLossGainOnInvestmentsAndForeignCurrencyForwardContractsAndTranslations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net unrealized loss (gain) on investments and foreign currency forward contracts and translations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NetUnrealizedLossGainOnInvestmentsAndForeignCurrencyForwardContractsAndTranslations_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net unrealized loss (gain) on investments and foreign currency forward contracts and translations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NetUnrealizedLossGainOnInvestmentsAndForeignCurrencyForwardContractsAndTranslations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized loss (gain) on investments and foreign currency forward contracts and translations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_O2025Q3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2025 Q3 Dividends [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_O2025Q3DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">O 2025 Q3 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Secured Debt</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CurrencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Currency [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnrealizedAppreciationDepreciationOnForeignCurrencyForwardContracts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized appreciation (depreciation) on foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnrealizedAppreciationDepreciationOnForeignCurrencyForwardContracts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrealized appreciation (depreciation) on foreign currency forward contracts.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnrealizedAppreciationDepreciationOnForeignCurrencyForwardContracts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Appreciation Depreciation On Foreign Currency Forward Contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnrealizedAppreciationDepreciationOnForeignCurrencyForwardContracts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Unrealized appreciation (depreciation) on foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDateOfRecord_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Record Date</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalMarketsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital Markets</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedProceedsIntendedForDistributionAndFormerIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of designated proceeds intended for distribution and former incentive fee.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ITServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">IT services member.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesExpenseReversal_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Former Incentive Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesExpenseReversal_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesExpenseReversal_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fees Expense (Reversal)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesExpenseReversal_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fees expense (reversal).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net increase (decrease) in members' capital from operations to net cash provided by (used for) operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Incentive fees paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Incentive Fee Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution date of record</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Date of Record</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyExpenseRatioBeforeIncentiveAllocation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of expenses (without incentive fees and interest and other debt expenses) to average Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyExpenseRatioBeforeIncentiveAllocation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Expense Ratio before Incentive Allocation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_JpmorganRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JPM Revolving Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_JpmorganRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">JPMorgan Revolving Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_JpmorganRevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Jpmorgan revolving credit facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross unrealized appreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedAppreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross unrealized appreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SugarCRMIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SugarCRM Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SugarCRMIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">SugarCRM Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SugarCRMIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SugarCRM Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Interest and Dividends Receivable, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Interest and Dividends Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInterestAndDividendsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in interest and dividends receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNetAssetValuePerSharePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total increase (decrease) in Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNetAssetValuePerSharePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Net Asset Value, Per Share, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyNetAssetValuePerSharePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total increase (decrease) in Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SixMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">6 month SOFR</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SixMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Six month SOFR member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SixMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Six Month S O F R Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AggregatePrincipalAmountInMergerAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate principal amount in merger advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AggregatePrincipalAmountInMergerAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Principal Amount in Merger Advance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AggregatePrincipalAmountInMergerAdvance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate principal amount in merger advance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageLimitedPartnershipUnitsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average units outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageLimitedPartnershipUnitsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Limited Partnership Units Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Techniques, Comparable Multiples</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MarketApproachValuationTechniqueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation, Market Approach [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributable earnings (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Accumulated Earnings (Losses) - net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MarketDevelopmentsAndGeneralBusinessEnvironmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Market Developments And General Business Environment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MarketDevelopmentsAndGeneralBusinessEnvironmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Market developments and general business environment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesIndustryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Sector [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTotalReturnAfterIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total return based on NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTotalReturnAfterIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Total Return after Incentive Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeographicConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographic Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NovemberOneTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">November One Two Thousand Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NovemberOneTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">November one two thousand twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NovemberOneTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">November 1, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants, Range of Significant Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstandingMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AdministrationAndCustodianFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Administration and custodian fees payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AdministrationAndCustodianFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administration And Custodian Fees Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AdministrationAndCustodianFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administration and custodian fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_StreetMastersIntermediateIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">StreetMasters Intermediate, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_StreetMastersIntermediateIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">StreetMasters Intermediate, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_StreetMastersIntermediateIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">StreetMasters Intermediate, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfOutstandingVotingSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of outstanding voting securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfOutstandingVotingSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Outstanding Voting Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfOutstandingVotingSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of outstanding voting securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Amounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Amounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WirelessTelecommunicationServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Wireless Telecommunication Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WirelessTelecommunicationServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Wireless Telecommunication Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WirelessTelecommunicationServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Wireless Telecommunication Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SpvMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SPV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SpvMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SPV [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SpvMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Spv.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualInvestmentAdvisoryExpenseAmountMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Investment Advisory Expense Amount Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualInvestmentAdvisoryExpenseAmountMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annual investment advisory expense amount maximum.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualInvestmentAdvisoryExpenseAmountMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual investment advisory expense amount maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GoldmanSachsFinancialSquareGovernmentFundInstitutionalSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goldman Sachs Financial Square Government Fund Institutional Shares [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GoldmanSachsFinancialSquareGovernmentFundInstitutionalSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Goldman Sachs financial square government fund institutional shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GoldmanSachsFinancialSquareGovernmentFundInstitutionalSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goldman Sachs Financial Square Government Fund - Institutional Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_Investmentincomeacceleratedamortizationofupfrontloanoriginationfeesandunamortizeddiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accelerated amortization of upfront loan origination fees and unamortized discounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_Investmentincomeacceleratedamortizationofupfrontloanoriginationfeesandunamortizeddiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">InvestmentIncomeAcceleratedAmortizationOfUpfrontLoanOriginationFeesAndUnamortizedDiscounts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_Investmentincomeacceleratedamortizationofupfrontloanoriginationfeesandunamortizeddiscounts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment income accelerated amortization of upfront loan origination fees and unamortized discounts.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmProfitLossMeasureHowUsedDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment reporting, codm, profit(loss) measure, how used, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskRoleOfManagementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Role of Management [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Dividend Income, Operating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend Income, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend, Interest and Other Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Secured Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Secured borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental and non-cash activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Translation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position Location, Balance [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Fee Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Management fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuritiesContributedIn-KindAtFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Contributed In-Kind At Fair Market Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuritiesContributedIn-KindAtFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities contributed in kind at fair market value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuritiesContributedIn-KindAtFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities contributed in-kind at Fair Market Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned unrecognized unrealized appreciation depreciation net value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned Unrecognized Unrealized Appreciation Depreciation Net Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized appreciation (depreciation) on foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unrealized Appreciation (Depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MinimumRequiredPercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToHurdleAmountPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Required Percentage of Cumulative Pre-Incentive Fee Net Return Related to Hurdle Amount Payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MinimumRequiredPercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToHurdleAmountPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum required percentage of cumulative pre-incentive fee net return related to hurdle amount payment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MinimumRequiredPercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToHurdleAmountPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum required percentage of cumulative pre-incentive fee net return related to hurdle amount payment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Other Asset, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MaySevenTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 7, 2025</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MaySevenTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May seven two thousand twenty five.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount Per Unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDistributionsPaidPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Made to Limited Partner, Distributions Paid, Per Unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Debt and Equity Securities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. Prime Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrimeRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prime Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyTotalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Total Distribution Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyTotalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company total distribution per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyTotalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total distributions recorded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyTotalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Total distributions recorded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyTotalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total distributions recorded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossRealized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gain (Loss), Foreign Currency Transaction, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossRealized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gain (loss) on foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BankLoansCorporateDebtAndOtherDebtObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank Loans, Corporate Debt and Other Debt Obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BankLoansCorporateDebtAndOtherDebtObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank Loans Corporate Debt And Other Debt Obligations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BankLoansCorporateDebtAndOtherDebtObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank loans corporate debt and other debt obligations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAdviserDidNotDevelopUnobservableInputsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Adviser did not Develop Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAdviserDidNotDevelopUnobservableInputsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Adviser Did Not Develop Unobservable Inputs [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAdviserDidNotDevelopUnobservableInputsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment adviser did not develop unobservable inputs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToExceedsTheCatchUp_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of cumulative pre-incentive fee net return related to exceeds the catch up</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToExceedsTheCatchUp_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Cumulative Pre-Incentive Fee Net Return Related to Exceeds the Catch Up</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToExceedsTheCatchUp_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of cumulative pre-incentive fee net return related to exceeds the catch up.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MeasurementInputRecoveryRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, Recovery Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MeasurementInputRecoveryRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Recovery Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MeasurementInputRecoveryRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Measurement input recovery rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_USD_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. Dollar</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_USD_lbl" xlink:role="http://www.xbrl.org/2003/role/label">United States of America, Dollars</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds, at Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investments in affiliated money market fund</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market Funds at Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BaseRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Base Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Administrative Fees Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdministrativeFeesExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Administration and custodian fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputEbitdaMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, EV/EBITDA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputEbitdaMultipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, EBITDA Multiple [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Investment Gains (Losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Realized Investment Gains (Losses), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net realized gain (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Net realized (gain) loss on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized (gain) loss on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Financial Statement Error Correction [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentIncomePrepaymentPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment Income Prepayment Premiums.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentIncomePrepaymentPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income Prepayment Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentIncomePrepaymentPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepayment premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentDerivativeAndForeignCurrencyTransactionPriceChangeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentDerivativeAndForeignCurrencyTransactionPriceChangeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, before Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentDerivativeAndForeignCurrencyTransactionPriceChangeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency translations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentDerivativeAndForeignCurrencyTransactionPriceChangeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net change in unrealized appreciation (depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InteractiveMediaServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interactive media &amp; services member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InteractiveMediaServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interactive Media Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InteractiveMediaServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interactive Media &amp; Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyIncreaseDecreaseFromShareTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Capital Share Transaction, Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyIncreaseDecreaseFromShareTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase in members' capital from capital transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates, at Fair Value, Gross Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SplashCarWashIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Splash Car Wash Inc</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SplashCarWashIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Splash Car Wash Inc [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SplashCarWashIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Splash Car Wash Inc.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RealizedGainLossDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Realized gain (loss) differences.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RealizedGainLossDifferences_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Realized gain (loss) differences</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExchangeOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Exchange of investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExchangeOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Exchange of Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExchangeOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Exchange of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SummaryOfChangesInFairValueOfAssetsByInvestmentTypeTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Changes In Fair Value Of Assets By Investment Type [TableTextBlock]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SummaryOfChangesInFairValueOfAssetsByInvestmentTypeTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of changes in fair value of assets by investment type.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SummaryOfChangesInFairValueOfAssetsByInvestmentTypeTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Changes in Fair Value of Level 3 Assets by Investment Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_LegalAndRegulatoryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal And Regulatory [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_LegalAndRegulatoryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Legal and regulatory.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetRecurringBasisStillHeldUnrealizedGainLossStatementOfIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyIncentiveFeeToAverageNetAssets1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Incentive Fee To Average Net Assets 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyIncentiveFeeToAverageNetAssets1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company incentive fee to average net assets 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyIncentiveFeeToAverageNetAssets1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of incentive fees to average Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuritiesContributedInKindAtFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Contributed in Kind at Fair Market Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuritiesContributedInKindAtFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities contributed in kind at fair market value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecuritiesContributedInKindAtFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities contributed in-kind at Fair Market Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Loss Carryforwards [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital loss carryforwards.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital Loss Carryforward: (1)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of net investment income to average Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss) Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount Available</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares (4)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedBalanceShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Balance, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Preferred Stock, Shares Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Preferred Stock, Shares Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OneMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1 month SOFR</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OneMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">One Month S O F R Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OneMonthSOFRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">One month SOFR.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Geographical [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ManagementFeePercentagePerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management fee percentage per quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ManagementFeePercentagePerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Fee Percentage Per Quarter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ManagementFeePercentagePerQuarter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Management fee percentage per quarter.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other general and administrative expenses</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other General and Administrative Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Professional fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfessionalFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanySeniorSecurityIndebtednessAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Senior Security, Indebtedness, Asset Coverage Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanySeniorSecurityIndebtednessAssetCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset coverage ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Interest Rate, Paid in Kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reference Rate and Spread (3), PIK</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentInterestRatePaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest rate, PIK</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_O2026Q1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">O 2026 Q1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_O2026Q1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">O 2026 Q1 Dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_O2026Q1DividendsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">O 2026 Q1 Dividends [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UtilisedCapitalLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Utilized capital losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UtilisedCapitalLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Utilised Capital Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UtilisedCapitalLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Utilised capital losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Currency Purchased</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FebruaryTwentySixTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February 26, 2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FebruaryTwentySixTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February Twenty Six Two Thousand Twenty Five [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FebruaryTwentySixTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February twenty six two thousand twenty five.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss), Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income per unit diluted</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_JuneSixTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">June six two thousand twenty five.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_JuneSixTwoThousandTwentyFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">June 6, 2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HouseholdDurablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Household Durables [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HouseholdDurablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Household durables member.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedOrdinaryIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Ordinary Income Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedOrdinaryIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Undistributed ordinary income net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedOrdinaryIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Undistributed Ordinary Income-net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AmendedJPMorganTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amended JPMorgan Term Loan Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AmendedJPMorganTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amended JP morgan term loan facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AmendedJPMorganTermLoanFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amended JPM Term Loan Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Amount of Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, before Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Gain (Loss) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossReductions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Reductions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossReductions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in and Advances to Affiliates, at Fair Value, Gross Reductions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Payable and Other Accrued Liabilities, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConsumerStaplesDistributionAndRetailMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Staples Distribution &amp; Retail</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConsumerStaplesDistributionAndRetailMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Staples Distribution And Retail [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConsumerStaplesDistributionAndRetailMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer Staples Distribution and Retail.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyGainLossOnInvestmentPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Gain (Loss) on Investment, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyGainLossOnInvestmentPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized and unrealized gains (losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ForeignCurrencyForwardContractsAverageNotionalExposure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average notional exposure to foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ForeignCurrencyForwardContractsAverageNotionalExposure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Forward Contracts Average Notional Exposure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ForeignCurrencyForwardContractsAverageNotionalExposure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Foreign currency forward contracts average notional exposure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets contributed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss) on Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net change in unrealized (appreciation) depreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized (appreciation) depreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Assets Categorized Within Fair Value Hierarchy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AssetCoverageRatioRequirementDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset coverage ratio requirement, description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AssetCoverageRatioRequirementDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Coverage Ratio Requirement, Description</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AssetCoverageRatioRequirementDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Describes the asset coverage ratios and the minimum asset coverage ratio requirement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_LookbackDateUnderIncentiveFeePurposes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lookback date under incentive fee purpose</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_LookbackDateUnderIncentiveFeePurposes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lookback Date Under Incentive Fee Purposes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_LookbackDateUnderIncentiveFeePurposes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lookback date under incentive fee purposes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementAndServiceFeesIncentiveRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of incentive fee cap</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementAndServiceFeesIncentiveRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management and Service Fees, Incentive Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Tax Return of Capital Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Return of Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromContributionsFromAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Contributions from Affiliates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromContributionsFromAffiliates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Special distribution amount distributed to company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost incurred in obtaining revolving credit facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredFinanceCostsNoncurrentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Issuance Cost, Gross, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Significant accounting policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies (Note 8)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EurodollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eurodollar [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EurodollarMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Euro dollar</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExpenseNotCurrentlyDeductible_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses not currently deductible</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExpenseNotCurrentlyDeductible_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expense Not Currently Deductible</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExpenseNotCurrentlyDeductible_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expense not currently deductible.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Variable interest rate (as a percent)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Basis Spread on Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment interest Rate of Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forecast [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HAIHospitalityIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">HAI Hospitality, Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HAIHospitalityIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">HAI Hospitality, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HAIHospitalityIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">HAI Hospitality, Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentsInMoneyMarketFundNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Investments in affiliated money market fund, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentsInMoneyMarketFundNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments in affiliated money market fund, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentsInMoneyMarketFundNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in Money Market Fund Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentsInMoneyMarketFundNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in money market fund, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OpenForwardForeignCurrencyContractIdentifierAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Open Forward Foreign Currency Contract, Identifier [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total net realized and unrealized gains (losses) on foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Derivative Instruments, Net, Pretax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AccruedFormerIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Former Incentive Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AccruedFormerIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Accrued former incentive fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AccruedFormerIncentiveFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Former incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Provision) benefit for unrealized appreciation/depreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Investment and Derivative, Operating, Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">(Provision) benefit for taxes on unrealized appreciation/depreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Provision) benefit for taxes on unrealized appreciation/depreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossInvestmentAndDerivativeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">(Provision) benefit for unrealized appreciation/depreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForwardContractsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForwardContractsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forward Contracts [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase (decrease) in members' capital from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase (decrease) in members' capital from operations:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundAtFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market Fund at Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundAtFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Fund At Fair Value Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundAtFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Money market fund at fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Positions or Committees Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestmentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value of securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestmentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Investments, at Fair Value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfTaxCharacterOfDistributionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of tax character of distributions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfTaxCharacterOfDistributionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Tax Character of Distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds Percent Of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Money market funds percent of net assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market Funds Percent Of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SpecialtyRetailMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Specialty retail member.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedDistributionsFromNetInvestmentIncomeInterestRelatedDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of designated distributions from net investment income interest related dividends.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedDistributionsFromNetInvestmentIncomeInterestRelatedDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of designated distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciles Net Increase in Net Assets Resulting from Operations to Taxable Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPayableCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersIntoLevelThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Asset By Investment Type Transfers Into Level Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersIntoLevelThree_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement asset by investment type transfers into level three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersIntoLevelThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers In</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">CarryingValue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Agreements and Related Party Transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transactions Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Members' capital at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Members' capital at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Stockholders' Equity Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfNonAccrualInvestmentAtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of non accrual investment at amortized cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfNonAccrualInvestmentAtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Non Accrual Investment At Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfNonAccrualInvestmentAtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of non-accrual investment at amortized cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentDerivativeAndForeignCurrencyTransactionPriceChangeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gain (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentDerivativeAndForeignCurrencyTransactionPriceChangeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentDerivativeAndForeignCurrencyTransactionPriceChangeOperatingBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, before Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsInAndAdvancesToAffiliatesScheduleOfInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Affilliated Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsInAndAdvancesToAffiliatesScheduleOfInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionServiceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Service [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfIndustryCompositionOfInvestmentsAtFairValueAndNetAssetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Industry Composition of Investments at Fair Value and Net Asset [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfIndustryCompositionOfInvestmentsAtFairValueAndNetAssetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of industry composition of investments at fair value and net asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfIndustryCompositionOfInvestmentsAtFairValueAndNetAssetTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Investments Percentage at Fair Value and Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, Fair Value Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DistributionMadeToLimitedPartnerRateOfReturnPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rate of return per unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DistributionMadeToLimitedPartnerRateOfReturnPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Made to Limited Partner Rate of Return Per Unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DistributionMadeToLimitedPartnerRateOfReturnPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Distribution made to limited partner rate of return per unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss), Foreign Currency Transaction, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss), Foreign Currency Transaction, before Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency and other transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign currency translations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncreaseInUnfundedCommittments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in unfunded committment amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncreaseInUnfundedCommittments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase In Unfunded Committments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncreaseInUnfundedCommittments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase in unfunded committments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AdditionalCommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Common Stock Par Or Stated Value Per Share</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AdditionalCommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional unit per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt investments, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair Value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">United States</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_US_lbl" xlink:role="http://www.xbrl.org/2003/role/label">UNITED STATES</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input, Discount Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Discount Rate [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CeleroCommerceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Celero Commerce LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CeleroCommerceLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Celero Commerce LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountDistributionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Distributions to unitholders from:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountDistributionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Partners' Capital Account, Distributions [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NovemberEightTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">November 8, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NovemberEightTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">November Eight Two Thousand Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NovemberEightTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">November Eight Two Thousand Twenty Three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NonAccrualInvestmentsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Accrual Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NonAccrualInvestmentsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Accrual Investments Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NonAccrualInvestmentsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non Accrual Investments Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Expertise of Management Responsible [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Financing Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredChargesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Charges, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Line of Credit Facilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of JPM Revolving Credit and Term Loan Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfUnfundedCommitmentsByInvestmentTypesTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Unfunded Commitments by Investment Types</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfUnfundedCommitmentsByInvestmentTypesTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Unfunded Commitments by Investment Types [TableTextBlock]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfUnfundedCommitmentsByInvestmentTypesTabletextblock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of unfunded commitments by investment types.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedOrdinaryIncomeAndLongTermCapitalGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Ordinary Income and Long Term Capital Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedOrdinaryIncomeAndLongTermCapitalGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Undistributed ordinary income and long term capital gains.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedOrdinaryIncomeAndLongTermCapitalGains_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Undistributed Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Liability [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilites contributed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAverageOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total commitments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAverageOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average outstanding balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityAverageOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Average Outstanding Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativeDistributionsToUnitholders_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of cumulative distributions to unitholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativeDistributionsToUnitholders_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Cumulative Distributions To Unitholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativeDistributionsToUnitholders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of cumulative distributions to unitholders.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ProceedsFromIssuanceOfCapitalDrawdowns_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds Received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ProceedsFromIssuanceOfCapitalDrawdowns_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Capital Drawdowns</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ProceedsFromIssuanceOfCapitalDrawdowns_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from issuance of capital drawdowns.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities contributed in-kind at Fair Market Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LimitedPartnersCapitalAccountUnitsIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Limited Partners' Capital Account, Units Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LimitedPartnersCapitalAccountUnitsIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerAffiliationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Affiliation [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtWeightedAverageInterestRateOverTime_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Weighted Average Interest Rate, over Time</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtWeightedAverageInterestRateOverTime_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reportable Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reportable segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementsAssetbyInvestmentTypeSalesAndSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurements AssetBy Investment Type Sales And Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementsAssetbyInvestmentTypeSalesAndSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurements assetBy investment type sales and settlements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementsAssetbyInvestmentTypeSalesAndSettlements_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Sales and Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementsAssetbyInvestmentTypeSalesAndSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales and Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Date of Acquisition Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Merger agreement date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Acquisition date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt, weighted average interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsAllOtherInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments, All Other Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquityNotesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquityNotesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Equity Notes Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAcquisitionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Acquisition Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentAcquisitionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial Acquisition Date (13)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerAffiliationExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Affiliation [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investments at cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash, beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fees Income Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fees income expense.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SummaryOfInvestmentHoldingsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Holdings [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementAndServiceFeesBaseRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management and Service Fees, Base Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementAndServiceFeesBaseRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual management fee percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PartnersCapitalAccountCapitalTransactionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Partners Capital Account Capital Transaction Abstract.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PartnersCapitalAccountCapitalTransactionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Partners Capital Account Capital Transaction [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PartnersCapitalAccountCapitalTransactionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital transactions:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitment fee percentage</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIssuerAffiliationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Issuer Affiliation [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Asset [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets contributed:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FebruaryTwentySevenTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">February 27, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FebruaryTwentySevenTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">February Twenty Seven Two Thousand Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FebruaryTwentySevenTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">February twenty seven two thousand twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GoodFeetWorldwideLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Good Feet Worldwide LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GoodFeetWorldwideLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Good Feet Worldwide LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GoodFeetWorldwideLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Good Feet Worldwide LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IndustryConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Industry Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IndustryConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Industry Concentration Risk.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAndMoneyMarketFundsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned And Money Market Funds Percent Of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAndMoneyMarketFundsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned and money market funds percent of net assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAndMoneyMarketFundsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Owned And Money Market Funds Percent Of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management, Strategy, and Governance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityCollateralRightToReclaimCashOffset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral (Received) Pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityCollateralRightToReclaimCashOffset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyContributedCapitalToCommittedCapitalRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of Capital Commitments Funded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyContributedCapitalToCommittedCapitalRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Contributed Capital to Committed Capital Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="currency_AllCurrenciesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">All Currencies [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCapitalUnitsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Capital Units [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfCapitalUnitsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Total Units Issued and Proceeds Related to Capital Drawdowns</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignExchangeForwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency Forward Contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignExchangeForwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Exchange Forward [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Rate [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentAndDerivativeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gain (Loss), Investment and Derivative, Operating, Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedGainLossInvestmentAndDerivativeOperatingTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Provision) benefit for taxes on realized gain/loss on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average units outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average Units outstanding, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndOtherIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of interest income taxable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndOtherIncomeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Other Income [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Act File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Effect of Transactions in Derivative Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross unrealized depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsGrossUnrealizedDepreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross unrealized depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CommercialServicesSuppliesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Commercial services &amp; supplies member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CommercialServicesSuppliesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commercial Services Supplies [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CommercialServicesSuppliesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commercial Services &amp; Supplies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyRealizedAndUnrealizedGainLossOnInvestmentAndForeignCurrencyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized and unrealized gains (losses):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyRealizedAndUnrealizedGainLossOnInvestmentAndForeignCurrencyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CancellationOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cancellation of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CancellationOfShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cancellation of shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CancellationOfShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cancellation of units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Gain (Loss) on Derivative, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative, Gain (Loss) on Derivative, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosures [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total increase (decrease) in members' capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Partners' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RepresentationsAndWarrantiesInsurancePremiumPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Representations and Warranties Insurance Premium Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RepresentationsAndWarrantiesInsurancePremiumPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Representations and Warranties Insurance Premium Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_RepresentationsAndWarrantiesInsurancePremiumPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Representations and Warranties insurance premium percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeReconciliationCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxable Income Reconciliation, Capital Loss Carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeReconciliationCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Taxable income reconciliation, capital loss carryforward.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeReconciliationCapitalLossCarryforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital loss carryforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation (depreciation) on foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Foreign Currency Transaction, before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GroundTransportationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ground Transportation [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GroundTransportationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ground Transportation member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_GroundTransportationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ground Transportation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of operating segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFeePaidIndirectly_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fees paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFeePaidIndirectly_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Fee Paid Indirectly</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentsAtFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments At Fair Value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentsAtFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments At Fair Value [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Investments, Range of Significant Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AlternativeInvestmentMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Alternative Investment, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAndAssetAcquisitionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsCostForIncomeTaxPurposes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsCostForIncomeTaxPurposes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividend income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Dividend</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Applicable margin rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Interest Rate During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EntertainmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entertainment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EntertainmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entertainment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CompetitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Competition [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CompetitionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Competition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAndMoneyMarketFundsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned and Money Market Funds Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAndMoneyMarketFundsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned and money market funds fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAndMoneyMarketFundsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Owned and Money Market Funds Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">New Accounting Pronouncements</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForPurchaseOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Purchase, Investment, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForPurchaseOfInvestmentOperatingActivity_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Purchases of investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Dividend Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Distributable earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDividendDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Taxable Distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities contributed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedDividendsPaidFromNetInvestmentTaxableIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Designated Dividends Paid From Net Investment Taxable Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedDividendsPaidFromNetInvestmentTaxableIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of designated dividends paid from net investment taxable income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfDesignatedDividendsPaidFromNetInvestmentTaxableIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of designated dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AugustOneTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">August 1, 2023</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AugustOneTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August One Two Thousand Twenty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AugustOneTwoThousandTwentyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">August one two thousand twenty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Portfolio Turnover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portfolio turnover</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Units outstanding, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common Stock, Shares, Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDeclarationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Date Declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDeclarationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Made to Limited Partner, Declaration Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Flag]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Technique, Discounted Cash Flow</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDiscountedCashFlowMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Technique, Discounted Cash Flow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign currency forward contracts</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss) on Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ProfessionalServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Professional services member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ProfessionalServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Professional Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ProfessionalServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Professional Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ITSBuyerIncDbaITSLogisticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ITS Buyer Inc (dba ITS Logistics) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ITSBuyerIncDbaITSLogisticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ITS Buyer Inc (dba ITS Logistics).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ITSBuyerIncDbaITSLogisticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ITS Buyer Inc (dba ITS Logistics)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of units</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PFAtlanticHoldco2LLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">PF Atlantic Holdco 2, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PFAtlanticHoldco2LLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">PF Atlantic Holdco 2, LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PFAtlanticHoldco2LLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PF Atlantic Holdco 2, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AirFreightAndLogisticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Air Freight and Logistics [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AirFreightAndLogisticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Air freight and logistics member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AirFreightAndLogisticsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Air Freight &amp; Logistics</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings (Loss) Per Unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cybersecurity Risk Management Processes Integrated [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Investments Excluding Investments in Money Market Funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss) Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net increase (decrease) in Members' Capital from operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BankOfAmericaNAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bank Of America N A</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BankOfAmericaNAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Bank of America, N.A. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BankOfAmericaNAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Bank Of America N A [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecondLienSeniorSecuredLoanAndUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second Lien Senior Secured Loan And Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecondLienSeniorSecuredLoanAndUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Second Lien Senior Secured Loan And Unsecured Debt Member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecondLienSeniorSecuredLoanAndUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Second Lien Senior Secured Loan And Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Taxable Distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution to unitholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountDistributions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total distributions to unitholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountDistributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Partners' Capital Account, Distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentBasisSpreadVariableRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reference Rate and Spread (3)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentBasisSpreadVariableRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Basis Spread, Variable Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealizedAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss), Foreign Currency Transaction, after Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealizedAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized (appreciation) depreciation on foreign currency forward contracts and transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealizedAfterTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net change in unrealized (appreciation) depreciation on foreign currency forward contracts and transactions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxAuthorityNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Authority, Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionLongTermCapitalGain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution, Long-Term Capital Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeNetRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Asset By Investment Type Net Realized Gain Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeNetRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement asset by investment type net realized gain loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeNetRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Realized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfUnreturenedCaptialContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Unreturened Captial Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfUnreturenedCaptialContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of unreturened captial contribution.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfUnreturenedCaptialContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of unreturned capital contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedLongTermCapitalGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Long Term Capital Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedLongTermCapitalGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Undistributed long term capital gains.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity, Range of Significant Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities, FV-NI, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetManagementArrangementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GSAM</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetManagementArrangementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Management Arrangement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Contract End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeMaturityDates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Settlement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentForIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Incentive Fee</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentForIncentiveFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fee paid to investment manager</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExpenseCapAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expense Cap Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExpenseCapAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expense Cap Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ExpenseCapAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expense cap amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAtCostAndMoneyMarketFundsCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned at Cost and Money Market Funds Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAtCostAndMoneyMarketFundsCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment owned at cost and money market funds carrying value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentOwnedAtCostAndMoneyMarketFundsCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Owned at Cost and Money Market Funds Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_K2TowersIILLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">K2 Towers II, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_K2TowersIILLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">K2 Towers II, LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_K2TowersIILLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">K2 Towers II, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncomeNotCurrentlyTaxable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Not Currently Taxable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncomeNotCurrentlyTaxable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income not currently taxable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncomeNotCurrentlyTaxable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income not currently taxable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Canada</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="country_CA_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CANADA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Units.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The Units [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">From net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution to Shareholders, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionToShareholdersPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">From net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total members' capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MembersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Members' Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets contributed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment owned, percent of net assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentOwnedPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Owned, Net Assets, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConsumerFinanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Finance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConsumerFinanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Finance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConsumerFinanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer finance member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Outstanding borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OurInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Our Investments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OurInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Our Investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NetRealizedGainLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net realized gain loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NetRealizedGainLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Realized Gain Loss [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NetRealizedGainLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gain (loss) from:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyExpenseRatioOfOtherDebtExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ratio of interest and other debt expenses to average Members' Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyExpenseRatioOfOtherDebtExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company Expense Ratio of Other Debt Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentCompanyExpenseRatioOfOtherDebtExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment company expense ratio of other debt expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsEffectiveSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Funds Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFundsEffectiveSwapRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fed Funds Effective Rate Overnight Index Swap Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PartnersCapitalAccountReturnOfCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Partners' Capital Account, Return of Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BusinessAcquisitionNumberOfSharesExchangedAsInKindContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of shares exchanged as In-Kind Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BusinessAcquisitionNumberOfSharesExchangedAsInKindContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Number Of Shares Exchanged As In Kind Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BusinessAcquisitionNumberOfSharesExchangedAsInKindContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Acquisition Number Of Shares Exchanged As In Kind Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Affiliated Money Market Fund</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Money Market Fund</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestmentsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fair value percentage of net assets of company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestmentsPercentOfNetAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Investments, Percent of Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related and Nonrelated Parties [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Taxable Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Taxable income (loss).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TaxableIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Taxable income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MayOneTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">May 1,2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MayOneTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">May One Two Thousand Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MayOneTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">May one two thousand twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AugustEightTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">August Eight Two Thousand Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AugustEightTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">August eight two thousand twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AugustEightTwoThousandTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">August 8, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Money market funds.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_MoneyMarketFundsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money Market Funds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyDistributionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Distribution [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HotelsRestaurantsLeisureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Hotels, restaurants &amp; leisure member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HotelsRestaurantsLeisureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hotels Restaurants Leisure [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HotelsRestaurantsLeisureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hotels, Restaurants &amp; Leisure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PeppertreeTowersLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Peppertree Towers LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PeppertreeTowersLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Peppertree Towers LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PeppertreeTowersLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Peppertree Towers LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in operating assets and liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unit per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Price Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">The Merger and In-Kind Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in accrued expenses and other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualLongTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Loss Carryforward Perpetual Long Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualLongTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital loss carryforward perpetual long term.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualLongTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual Long-Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualLongTerm_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Perpetual Long-Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesUnvested_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incentive Fees Unvested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesUnvested_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incentive fees unvested.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncentiveFeesUnvested_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incentive fees unvested</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Equity Securities, Unrealized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt and Equity Securities, Unrealized Gain (Loss), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net change in unrealized appreciation (depreciation)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WarrantsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants, Fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WarrantsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_WarrantsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrants Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Advisory Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Advisory Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment Advisory Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SleepOpCoLLCDbaHelixSleepMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sleep OpCo LLC (dba Helix Sleep) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SleepOpCoLLCDbaHelixSleepMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sleep opco llc (dba helix sleep).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SleepOpCoLLCDbaHelixSleepMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sleep OpCo LLC (dba Helix Sleep)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Ex Transition Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentContributionPaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Contribution Paid In Kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentContributionPaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment contribution paid in kind.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentContributionPaidInKind_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment contribution paid in kind</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConvenientPaymentsAcquisitionIncDbaIntelliPayMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Convenient Payments Acquisition, Inc. (dba IntelliPay)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConvenientPaymentsAcquisitionIncDbaIntelliPayMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Convenient Payments Acquisition, Inc. (dba IntelliPay) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ConvenientPaymentsAcquisitionIncDbaIntelliPayMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Convenient Payments Acquisition, Inc. (dba IntelliPay).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interest [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncurredExpensesForServicesProvidedByTransferAgent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Incurred expenses for services provided by transfer agent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncurredExpensesForServicesProvidedByTransferAgent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Incurred expenses for services provided by transfer agent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncurredExpensesForServicesProvidedByTransferAgent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incurred Expenses For Services Provided By Transfer Agent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfTaxComponentsOfAccumulatedEarningsLossesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Components of Accumulated Earnings (Losses) on Tax Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfTaxComponentsOfAccumulatedEarningsLossesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Tax Components Of Accumulated Earnings (Losses) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ScheduleOfTaxComponentsOfAccumulatedEarningsLossesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of tax components of accumulated earnings (losses).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distributions per unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Made to Limited Partner, Distributions Declared, Per Unit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Debt Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDebtExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest and other debt expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueOfDebtInvestmentsPercentageUsingIncomeApproach_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of debt investments percentage using income approach</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueOfDebtInvestmentsPercentageUsingIncomeApproach_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Of Debt Investments Percentage Using Income Approach</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueOfDebtInvestmentsPercentageUsingIncomeApproach_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of debt investments percentage using income approach.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByAssetClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FormerInvestmentAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Former Investment Advisory Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FormerInvestmentAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Former investment advisory agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FormerInvestmentAdvisoryAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Former Investment Advisory Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Highlights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialHighlightsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Highlights [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssuedToAdditionalInvestor_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued to Additional investor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssuedToAdditionalInvestor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business acquisition equity interests issued or issuable number Of shares issued to additional investor.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssuedToAdditionalInvestor_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued to additional investor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Allocation of Purchase Price to Assets Acquired and Liabilities Assumed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentAnnualReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Annual Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OurBusinessAndStructureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Our Business And Structure [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_OurBusinessAndStructureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Our business and structure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Investment Income (Loss), Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyInvestmentIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net investment income per unit basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Investment Income [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Distribution payable date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Payable, Date to be Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Tax Basis, Unrealized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TaxBasisOfInvestmentsUnrealizedAppreciationDepreciationNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized investment appreciation on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">1st Lien/Senior Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">1st Lien/Senior Secured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Lien Or Senior Secured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1st Lien/Senior Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDistributionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DistributionMadeToLimitedPartnerDistributionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Distribution Made to Limited Partner, Distribution Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualYieldPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Annual yield percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualYieldPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Annual Yield Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AnnualYieldPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Annual yield percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersOutOfLevelThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Asset By Investment Type Transfers Out Of Level Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersOutOfLevelThree_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value measurement asset by investment type transfers out of level three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersOutOfLevelThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers Out</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units (14,884,897 and 14,884,897 units issued and outstanding as of December 31, 2025 and December 31, 2024</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AggregateBusinessAcquisitionTotalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Aggregate Business Acquisition Total Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AggregateBusinessAcquisitionTotalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Aggregate Business Acquisition Total Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_AggregateBusinessAcquisitionTotalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate business acquisition total amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_VrcCompaniesLlcDbaVitalRecordsControlMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">VRC Companies, LLC (dba Vital Records Control)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_VrcCompaniesLlcDbaVitalRecordsControlMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VRC Companies, LLC (dba Vital Records Control)[Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_VrcCompaniesLlcDbaVitalRecordsControlMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">VRC Companies, LLC (dba Vital Records Control)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving credit facility, terminated</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Expiration Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CapitalUnitsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units outstanding, end of period</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_HouseholdProductsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Household products member.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TransferAgentFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transfer agent fees payable.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TransferAgentFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Agent Fees Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TransferAgentFeesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfer agent fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FacilityFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Facility Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FacilityFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Facility fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FacilityFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Facility fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfCapitalDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Special distribution amount distributed to the buyer and Individual Investor</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfCapitalDistribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Capital Distribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ChemicalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Chemicals member</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ChemicalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Chemicals [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_ChemicalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Chemicals</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BeveragesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Beverages member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BeveragesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Beverages [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_BeveragesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Beverages</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Principal amount outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecondLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2nd Lien/Senior Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecondLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">2nd Lien/Senior Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecondLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2nd Lien/Senior Secured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_SecondLienOrSeniorSecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Second Lien Or Senior Secured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TransactionCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transaction Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TransactionCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transaction Costs Policy [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_TransactionCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Transaction costs policy text block</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAffiliatedIssuerNoncontrollingIncludedMoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Affiliated Issuer Noncontrolling Included Money Market Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_InvestmentAffiliatedIssuerNoncontrollingIncludedMoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investment Affiliated Issuer Noncontrolling Included Money Market Funds.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DebtContributedAsPartOfIn-KindContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Contributed as Part of In-kind Contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DebtContributedAsPartOfIn-KindContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt contributed as part of in-kind contribution.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DebtContributedAsPartOfIn-KindContribution_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt contributed as part of In-kind contribution</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">From return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Tax Return of Capital Distribution, Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyTaxReturnOfCapitalDistributionPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">From return of capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Amount of Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, before Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Gross Amount of Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnrealizedEarningsLossesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Earnings Losses Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnrealizedEarningsLossesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrealized earnings losses net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UnrealizedEarningsLossesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized Earnings (Losses)-net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Equity Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from Units issued by the Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FinancialServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FinancialServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FinancialServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial services member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Of Cumulative Pre-Incentive Fee Net Return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of cumulative pre-incentive fee net return.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturn_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of cumulative pre-incentive fee net return</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialCommitmentToInvesteeFutureAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unfunded Commitment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentCompanyFinancialCommitmentToInvesteeFutureAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CorepowerYogaLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CorePower Yoga LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CorepowerYogaLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CorePower Yoga LLC[Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CorepowerYogaLlcMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CorePower Yoga LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalents [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CDMFitnessHoldingsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">CDM Fitness Holdings LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CDMFitnessHoldingsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">CDM Fitness Holdings LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CDMFitnessHoldingsLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CDM Fitness Holdings, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowing interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NondeductibleNetInvestmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nondeductible Net Investment Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NondeductibleNetInvestmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nondeductible net investment loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_NondeductibleNetInvestmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nondeductible net investment loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used for) financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualShortTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Capital Loss Carryforward Perpetual Short Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualShortTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Capital loss carryforward perpetual short term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualShortTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Perpetual Short-Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_CapitalLossCarryforwardPerpetualShortTerm_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Perpetual Short-Term</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Management Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ManagementFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Management fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncomeForTaxButNotForBook_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income for Tax but Not for Book</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncomeForTaxButNotForBook_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income for tax but not for book.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_IncomeForTaxButNotForBook_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income for tax but not for book</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DiscountInConnectionWithMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discount In Connection With Merger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DiscountInConnectionWithMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Discount in connection with merger.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_DiscountInConnectionWithMerger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discount in connection with Merger</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Incentive Fee Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInIncentiveFeePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in incentive fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedAccumulatedEarningsLossesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Undistributed Accumulated Earnings Losses Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedAccumulatedEarningsLossesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Undistributed accumulated earnings losses net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_UndistributedAccumulatedEarningsLossesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Accumulated Earnings (Losses) - net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrLastOutUnitrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">1st Lien/Last-Out Unitranche</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrLastOutUnitrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">1st Lien/Last-Out Unitranche</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrLastOutUnitrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">First Lien Or Last Out Unitranche [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="ck0001674760_FirstLienOrLastOutUnitrancheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1st Lien/Last-Out Unitranche [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Investment in Debt and Equity Securities, Current</link:label>
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  <xsd:element id="ck0001674760_PFAtlanticHoldco2LLCMember" name="PFAtlanticHoldco2LLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_MayOneTwoThousandTwentyFourMember" name="MayOneTwoThousandTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_AnnualYieldPercentage" name="AnnualYieldPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNetValue" name="InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNetValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_NetChangeInUnrealizedAppreciationDepreciationAbstract" name="NetChangeInUnrealizedAppreciationDepreciationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_IncreaseDecreaseInInterestPayableNetOfInKindContribution" name="IncreaseDecreaseInInterestPayableNetOfInKindContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_NetRealizedGainLossAbstract" name="NetRealizedGainLossAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_SignificantAccountingPoliciesLineItems" name="SignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersOutOfLevelThree" name="FairValueMeasurementAssetByInvestmentTypeTransfersOutOfLevelThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_InvestmentCompanyIncentiveFeeToAverageNetAssets1" name="InvestmentCompanyIncentiveFeeToAverageNetAssets1" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_CapitalLossCarryforwardsAbstract" name="CapitalLossCarryforwardsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_AirFreightAndLogisticsMember" name="AirFreightAndLogisticsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_SugarCRMIncMember" name="SugarCRMIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_WarrantsOutstanding" name="WarrantsOutstanding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_HotelsRestaurantsLeisureMember" name="HotelsRestaurantsLeisureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_SixMonthSOFRMember" name="SixMonthSOFRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_PartnersCapitalAccountCapitalTransactionAbstract" name="PartnersCapitalAccountCapitalTransactionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_IncentiveFeeCapEqualToCumulativeNetReturnMember" name="IncentiveFeeCapEqualToCumulativeNetReturnMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_FairvalueMeasurementAssetByInvestmentTypeNetAmortizationOfPremiumDiscount" name="FairvalueMeasurementAssetByInvestmentTypeNetAmortizationOfPremiumDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_MinimumRequiredPercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToHurdleAmountPayment" name="MinimumRequiredPercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToHurdleAmountPayment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_ManagementFeePercentagePerQuarter" name="ManagementFeePercentagePerQuarter" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_UnfundedCapitalCommitments" name="UnfundedCapitalCommitments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_StreamlandMediaMidcoLLCMember" name="StreamlandMediaMidcoLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_CancellationOfUnits" name="CancellationOfUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_CompetitionMember" name="CompetitionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_CapitalLossCarryforwardPerpetualLongTerm" name="CapitalLossCarryforwardPerpetualLongTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_InvestmentAffiliatedIssuerNoncontrollingIncludedMoneyMarketFundsMember" name="InvestmentAffiliatedIssuerNoncontrollingIncludedMoneyMarketFundsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_UnitsMember" name="UnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_TransactionCostsPolicyTextBlock" name="TransactionCostsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_IncreaseInUnfundedCommittments" name="IncreaseInUnfundedCommittments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_MoneyMarketFundAtFairValueMember" name="MoneyMarketFundAtFairValueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_IglooIncMember" name="IglooIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_Investmentincomeacceleratedamortizationofupfrontloanoriginationfeesandunamortizeddiscounts" name="Investmentincomeacceleratedamortizationofupfrontloanoriginationfeesandunamortizeddiscounts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_MarketDevelopmentsAndGeneralBusinessEnvironmentMember" name="MarketDevelopmentsAndGeneralBusinessEnvironmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesInterestAndOtherDebtExpenses" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesInterestAndOtherDebtExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_HouseholdProductsMember" name="HouseholdProductsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_SoftwareMember" name="SoftwareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_ConsumerFinanceMember" name="ConsumerFinanceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_DiversifiedConsumerServicesMember" name="DiversifiedConsumerServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_TaxableIncomeLossNetOfCapitalLossCarryForward" name="TaxableIncomeLossNetOfCapitalLossCarryForward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_FirstLienOrSeniorSecuredDebtMember" name="FirstLienOrSeniorSecuredDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_IncreaseDecreaseInPayableForUnitsSubscribed" name="IncreaseDecreaseInPayableForUnitsSubscribed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_AffiliatedInvestmentMember" name="AffiliatedInvestmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_JuneTwentyFiveTwoThousandTwentyFiveMember" name="JuneTwentyFiveTwoThousandTwentyFiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_ScheduleOfUnfundedCommitmentsByInvestmentTypesTabletextblock" name="ScheduleOfUnfundedCommitmentsByInvestmentTypesTabletextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_SecondLienOrSeniorSecuredDebtMember" name="SecondLienOrSeniorSecuredDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_KeystonePurchaserLLCDbaBridgewayMember" name="KeystonePurchaserLLCDbaBridgewayMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_NetChangesInUnrealizedAppreciationDepreciation" name="NetChangesInUnrealizedAppreciationDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_DistributionMadeToLimitedPartnerRateOfReturnPerUnit" name="DistributionMadeToLimitedPartnerRateOfReturnPerUnit" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_FairValueMeasurementAssetByInvestmentTypeTransfersIntoLevelThree" name="FairValueMeasurementAssetByInvestmentTypeTransfersIntoLevelThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_NovemberSevenTwoThousandTwentyFourMember" name="NovemberSevenTwoThousandTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_AssetCoverageRatioRequirementDescription" name="AssetCoverageRatioRequirementDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_IncreaseDecreaseInInterestAndDividendsReceivableOfInKindContribution" name="IncreaseDecreaseInInterestAndDividendsReceivableOfInKindContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_PayableOfUnitsSubscribed" name="PayableOfUnitsSubscribed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_RAndWInsurancePremiumAmountPayable" name="RAndWInsurancePremiumAmountPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_InvestmentsInMoneyMarketFundNet" name="InvestmentsInMoneyMarketFundNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_AnnualInvestmentAdvisoryExpenseAmountMaximum" name="AnnualInvestmentAdvisoryExpenseAmountMaximum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_CapitalLossCarryforwardPerpetualShortTerm" name="CapitalLossCarryforwardPerpetualShortTerm" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_AugustOneTwoThousandTwentyThreeMember" name="AugustOneTwoThousandTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_O2025Q3DividendsMember" name="O2025Q3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_TransferAgentFeesPayable" name="TransferAgentFeesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_FacilityFees" name="FacilityFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_FormerInvestmentAdvisoryAgreementMember" name="FormerInvestmentAdvisoryAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssuedToAdditionalInvestor" name="BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssuedToAdditionalInvestor" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_ExpensesForTaxButNotForBook" name="ExpensesForTaxButNotForBook" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_AggregatePrincipalAmountInMergerAdvance" name="AggregatePrincipalAmountInMergerAdvance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_TaxableIncomeReconciliationCapitalLossCarryforward" name="TaxableIncomeReconciliationCapitalLossCarryforward" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_MoneyMarketFundsAtFairValue" name="MoneyMarketFundsAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_ConvenientPaymentsAcquisitionIncDbaIntelliPayMember" name="ConvenientPaymentsAcquisitionIncDbaIntelliPayMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_InvestmentCompanyTotalDistributionPerShare" name="InvestmentCompanyTotalDistributionPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_MaySevenTwoThousandTwentyFiveMember" name="MaySevenTwoThousandTwentyFiveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_PercentageOfOutstandingVotingSecurities" name="PercentageOfOutstandingVotingSecurities" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_CDMFitnessHoldingsLLCMember" name="CDMFitnessHoldingsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_BankOfAmericaNAMember" name="BankOfAmericaNAMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_PeppertreeTowersLLCMember" name="PeppertreeTowersLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_InvestmentIncomePrepaymentPremiums" name="InvestmentIncomePrepaymentPremiums" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilitiesOfInKindContribution" name="IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilitiesOfInKindContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_InvestmentsAtFairValueMember" name="InvestmentsAtFairValueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_ScheduleOfGeographicCompositionOfInvestmentsAtFairValueTableTextBlock" name="ScheduleOfGeographicCompositionOfInvestmentsAtFairValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_FairValueMeasurementAssetByInvestmentTypeNetRealizedGainLoss" name="FairValueMeasurementAssetByInvestmentTypeNetRealizedGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_SummaryOfChangesInFairValueOfAssetsByInvestmentTypeTabletextblock" name="SummaryOfChangesInFairValueOfAssetsByInvestmentTypeTabletextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_UndistributedAccumulatedEarningsLossesNet" name="UndistributedAccumulatedEarningsLossesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_InvestmentCompanyExpenseRatioOfOtherDebtExpenses" name="InvestmentCompanyExpenseRatioOfOtherDebtExpenses" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_ScheduleOfTaxComponentsOfAccumulatedEarningsLossesTableTextBlock" name="ScheduleOfTaxComponentsOfAccumulatedEarningsLossesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_NovemberOneTwoThousandTwentyThreeMember" name="NovemberOneTwoThousandTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_UndistributedOrdinaryIncomeAndLongTermCapitalGains" name="UndistributedOrdinaryIncomeAndLongTermCapitalGains" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_JPMorganTermLoanFacilityMember" name="JPMorganTermLoanFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_MoneyMarketFundsPercentOfNetAssets" name="MoneyMarketFundsPercentOfNetAssets" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_InvestmentAdviserDidNotDevelopUnobservableInputsMember" name="InvestmentAdviserDidNotDevelopUnobservableInputsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_ITServicesMember" name="ITServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_TransactionCosts" name="TransactionCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_SpecialtyRetailMember" name="SpecialtyRetailMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_JpmorganRevolvingCreditFacilityMember" name="JpmorganRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_ProvisionBenefitForTaxesOnRealizedAndUnrealizedGainsLossesOnInvestments" name="ProvisionBenefitForTaxesOnRealizedAndUnrealizedGainsLossesOnInvestments" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_FinancialServicesMember" name="FinancialServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_SecuritiesContributedInKindAtFairMarketValue" name="SecuritiesContributedInKindAtFairMarketValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_WineComLLCMember" name="WineComLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_CeleroCommerceLLCMember" name="CeleroCommerceLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_ProfessionalServicesMember" name="ProfessionalServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_FebruaryTwentySevenTwoThousandTwentyFourMember" name="FebruaryTwentySevenTwoThousandTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_OurBusinessAndStructureMember" name="OurBusinessAndStructureMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_TimingDifferences" name="TimingDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_HurdleRateForIncentiveFeePurposes" name="HurdleRateForIncentiveFeePurposes" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_SecuredBorrowings" name="SecuredBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_SpvMember" name="SpvMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_OctagonTowersLLCMember" name="OctagonTowersLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_CancellationOfShares" name="CancellationOfShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_AggregateBusinessAcquisitionTotalAmount" name="AggregateBusinessAcquisitionTotalAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_CurioBrandsLLCMember" name="CurioBrandsLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_HAIHospitalityIncMember" name="HAIHospitalityIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_StreetMastersIntermediateIncMember" name="StreetMastersIntermediateIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_UnrealizedEarningsLossesNet" name="UnrealizedEarningsLossesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_LegalAndRegulatoryMember" name="LegalAndRegulatoryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_UtilisedCapitalLosses" name="UtilisedCapitalLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="ck0001674760_UnrealizedAppreciationDepreciationOnForeignCurrencyForwardContracts" name="UnrealizedAppreciationDepreciationOnForeignCurrencyForwardContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturn" name="PercentageOfCumulativePre-IncentiveFeeNetReturn" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_PercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToExceedsTheCatchUp" name="PercentageOfCumulativePre-IncentiveFeeNetReturnRelatedToExceedsTheCatchUp" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_FairValueMeasurementAssetByInvestmentTypeNetChangeInUnrealizedAppreciationDepreciation" name="FairValueMeasurementAssetByInvestmentTypeNetChangeInUnrealizedAppreciationDepreciation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_TaxableIncomeLoss" name="TaxableIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_MeasurementInputRecoveryRateMember" name="MeasurementInputRecoveryRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_UndistributedOrdinaryIncomeNet" name="UndistributedOrdinaryIncomeNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_O2026Q1DividendsMember" name="O2026Q1DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_GoldmanSachsFinancialSquareGovernmentFundInstitutionalSharesMember" name="GoldmanSachsFinancialSquareGovernmentFundInstitutionalSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_PercentageOfNonAccrualInvestmentAtFairValue" name="PercentageOfNonAccrualInvestmentAtFairValue" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_ITSBuyerIncDbaITSLogisticsMember" name="ITSBuyerIncDbaITSLogisticsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_InvestmentAdvisoryAgreementMember" name="InvestmentAdvisoryAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_NonAccrualInvestmentsPolicyPolicyTextBlock" name="NonAccrualInvestmentsPolicyPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_BusinessAcquisitionNumberOfSharesExchangedAsInKindContribution" name="BusinessAcquisitionNumberOfSharesExchangedAsInKindContribution" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_CapitalMarketsMember" name="CapitalMarketsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_K2TowersIILLCMember" name="K2TowersIILLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="ck0001674760_InvestmentContributionPaidInKind" name="InvestmentContributionPaidInKind" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_RoundingThreshold" name="RoundingThreshold" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_PercentageOfDesignatedDividendsPaidFromNetInvestmentTaxableIncome" name="PercentageOfDesignatedDividendsPaidFromNetInvestmentTaxableIncome" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="ck0001674760_AccruedButUnpaidDeferredFinancingCost" name="AccruedButUnpaidDeferredFinancingCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="ck0001674760_PantheonSilverLLCMember" name="PantheonSilverLLCMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
</xsd:schema>
