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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredOfferingCostsAppliedToPrepaidExpensesContributedBySponsor_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of deferred offering costs applied to prepaid expenses contributed by Sponsor.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredOfferingCostsPaidThroughIPOPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred offering costs paid through IPO Promissory Note &#8211; related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredOfferingCostsPaidThroughIPOPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of deferred offering costs paid through IPO promissory note &#8211; related party.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrepaidExpensesPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses paid by Sponsor in exchange for issuance of Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrepaidExpensesPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expenses Paid by Sponsor in Exchange for Issuance of Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrepaidExpensesPaidBySponsorInExchangeForIssuanceOfClassBOrdinaryShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of prepaid expenses paid by sponsor in exchange for issuance of class B ordinary shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrepaidExpensesPaidThroughIPOPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses paid through IPO Promissory Note &#8211; related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrepaidExpensesPaidThroughIPOPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expenses Paid through IPO Promissory Note &#8211; Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrepaidExpensesPaidThroughIPOPromissoryNoteRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of prepaid expenses paid through IPO promissory note related party.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flows from Operating Activities:</link:label>
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    <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 &#8211; Beginning of period</link:label>
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    <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 and Business Operations [Abstract]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Prepaid expenses</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ORGANIZATION AND BUSINESS OPERATIONS</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Subject To Forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Shares subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Issuance of Class B Ordinary Shares</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/verboseLabel">Total consideration</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_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Issuance of Class B Ordinary Shares (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Number of shares issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance">Sale of option units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance">Number of private placement warrant</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_FounderSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Founder Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_FounderSharesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Founder Shares [Member]</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_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [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/terseLabel">Ordinary Shares</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">Ordinary Shares [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_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class A</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Class A Ordinary Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class A [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-in Capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Forecast</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast</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="isnru_SponsorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sponsor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SponsorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsors [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Class B</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance">Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Class B Ordinary Shares [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonClassBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Class B [Member]</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_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance (in Shares)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares, Outstanding</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="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="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance</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">Balance</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">Total Shareholder&#8217;s Deficit</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, Total</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="isnru_SharesAreNoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares are no longer subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesAreNoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares that are no longer subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Number of purchase shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Consummated shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units Issued During Period Shares New Issues</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnitsIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of new units issued during the period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SurrenderedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Surrendered shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SurrenderedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Surrendered Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SurrenderedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of surrendered shares.</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="us-gaap_SaleOfStockNameOfTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Total</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="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</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_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preference shares, $0.0001 par value; 5,000,000 shares authorized; none issued or outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current liabilities</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Current [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities and Shareholders&#8217; Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholder&#8217;s Deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</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_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Subsequent Event</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</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/terseLabel">Unaudited Balance Sheet [Abstract]</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">Condensed Balance Sheets [Abstract]</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">Preference shares, 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/verboseLabel">Preference shares, 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_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [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/label">Document Fiscal Period Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loss from operations</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Income (Loss), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average shares outstanding, Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</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">Ordinary shares, 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_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preference shares, shares authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic net loss per share, Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic, Total</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 Shareholder&#8217;s Deficit</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, Total</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">Ordinary shares, 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="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsidiarySaleOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock [Axis]</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="isnru_StockSurrenderedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Surrendered shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_StockSurrenderedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Surrendered During Period Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_StockSurrenderedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares surrendered during the period.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_StockSurrenderedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Surrendered value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_StockSurrenderedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Surrendered During Period Value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_StockSurrenderedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The cash outflow for the actual consideration paid for the surrender of stock during the period.</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/terseLabel">Shareholder&#8217;s Deficit [Line Items]</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/verboseLabel">Initial Public Offering [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Private Placements [Line Items]</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="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfDaysAfterInitialBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of days after initial business combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfDaysAfterInitialBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number Of Days After Initial Business Combination</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfDaysAfterInitialBusinessCombination_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of days after initial business combination.</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 [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_CommitmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IPOMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">IPO [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Over Allotment Option [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Over-Allotment Option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OverAllotmentOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-Allotment Option [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of shares subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Shares, Share-Based Payment Arrangement, Forfeited</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_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Events [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="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance">Initial public offering amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gross proceeds</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance Initial Public Offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sponsor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SponsorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Sponsor [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PurchasedUnitsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase option unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PurchasedUnitsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining purchase shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PurchasedUnitsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchased units shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PurchasedUnitsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Purchased units shares</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">Description of CODM</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_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Information [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfSharesSurrenderForNoConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of shares surrender for no consideration</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfSharesSurrenderForNoConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">It represents number of shares surrender for no consideration.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Events [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Company&#8217;s Performance and Making Key Decisions [Abstract]</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 segment</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="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityExTransitionPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Ex Transition Period</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForUnderwritingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForUnderwritingExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/netLabel">Cash underwriting fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForUnderwritingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Underwriting Expense</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="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredUnderwritingDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredUnderwritingDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Underwriting Discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredUnderwritingDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Deferred underwriting discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Santander fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Aggregate fair value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Other</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Working capital loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Working capital loans</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WorkingCapitalLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of working capital loans.</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="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="us-gaap_TypeOfArrangementAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PublicWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_BusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_BusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_BusinessDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of business days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantsOrRightsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption of warrants, price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantsOrRightsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrants or Rights Redemption Price Per Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantsOrRightsRedemptionPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Class of warrants or rights redemption price per unit.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_BusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_BusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightTargetSharePriceOfWarrantsOrRightsForRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Target share price of warrants or rights for redemption</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightTargetSharePriceOfWarrantsOrRightsForRedemption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Target share price of warrants or rights for redemption.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_CommonStockThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum number of trading days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_CommonStockThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum number of trading days</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock price trigger for redemption of public warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnderwritersOptionPeriodFromTheDateOfInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriters option period from the date of initial public offering</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnderwritersOptionPeriodFromTheDateOfInitialPublicOffering_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the underwriters option period from the date of Initial Public Offering.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsNoteDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPricePercentageOfEquityProceedsFromIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of equity proceeds from issuance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPricePercentageOfEquityProceedsFromIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Price Threshold Of Newly Issued Stock To Cause Adjustment Of Exercise Warrant Price, Percentage of Equity Proceeds From Issuance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPricePercentageOfEquityProceedsFromIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the percentage of total equity proceeds.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnitsEachConsistingOfOneClassAOrdinaryShareAndOnehalfOfOneRedeemableWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Units, each consisting of one Class A Ordinary Share and one-half of one redeemable Warrant</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnitsEachConsistingOfOneClassAOrdinaryShareAndOnehalfOfOneRedeemableWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Units Each Consisting Of One Class A Ordinary Share And One-half Of One Redeemable Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WarrantsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOf1150PerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants, each whole warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WarrantsEachWholeWarrantExercisableForOneClassAOrdinaryShareAtAnExercisePriceOf1150PerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants Each Whole Warrant Exercisable For One Class A Ordinary Share At An Exercise Price Of 11.50 Per Share [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassAOrdinarySharesParValue00001PerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class A Ordinary Shares, par value $0.0001 per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassAOrdinarySharesParValue00001PerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class A Ordinary Shares Par Value 0.0001 Per Share [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_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_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements or Change in Accounting Principle [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock, Class of Stock [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PublicWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PublicWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Parties [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party Transaction [Line Items]</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="isnru_PercentageOfFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of fair market value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfFairMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum percentage of fair market value of business acquisition to trust account balance.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_TransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_TransactionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The amount of transaction costs.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization and Business Operations [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares, par value (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Ordinary shares, par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</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_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recognize share-based compensation expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SEGMENT INFORMATION</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Outstanding balance of IPO promissory note</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Notes Payable, Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrecognized tax benefits</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Beginning Balance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WarrantLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">WARRANTS</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WarrantLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrant Liabilities Disclosure [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WarrantLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for warrant liabilities.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Price per share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/positiveLabel">Shares per unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Price Per Share</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_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value of Financial Instruments</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Emerging Growth Company Status</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Emerging Growth Company [Policy Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_EmergingGrowthCompanyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disclosure of accounting policies for emerging growth company.</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="isnru_WorkingCapitalSurplus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Working capital deficit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WorkingCapitalSurplus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">working capital surplus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WorkingCapitalSurplus_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of working capital surplus.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance">Aggregate purchase price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gross proceeds from private placement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfPrivatePlacement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Private Placement</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholder&#8217;s Deficit [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SHAREHOLDER&#8217;S DEFICIT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [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_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_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">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="isnru_DisclosureOfPrivatePlacementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">PRIVATE PLACEMENT</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DisclosureOfPrivatePlacementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disclosure of Private Placement [Text Block]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DisclosureOfPrivatePlacementTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The entire disclosure for private placement.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesNoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares no longer subject to forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesNoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares no Longer Subject to Forfeiture</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesNoLongerSubjectToForfeiture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares that are no longer subject to forfeiture.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ordinary shares, shares authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SaleOfOptionUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of option units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SaleOfOptionUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Option Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SaleOfOptionUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of option units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Formation, general, and administrative costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Formation, general and administrative costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">General and Administrative Expense, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted net loss per share, Class B Ordinary Shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Quarterly Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Deferred offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Offering Cost</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs, Noncurrent, Total</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 7)</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_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital, Common Stock</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">Accumulated deficit</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), Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RelatedPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Related Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid expenses</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Expense, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">IPO Promissory Note - related party</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">IPO promissory note</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preference shares, par value (in Dollars per share)</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preference shares, par value</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</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">Preference shares, 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/verboseLabel">Preference shares, 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_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, Total</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">Ordinary shares, value</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_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total current assets</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Current, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfMarketAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of market adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfMarketAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Market Adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfMarketAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of market adjustment</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfInitialBusinessCombinationRedeem_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of redemption</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfInitialBusinessCombinationRedeem_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Initial Business Combination Redeem</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfInitialBusinessCombinationRedeem_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of initial business combination redeem</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_TradingDay_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading day</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_TradingDay_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Day</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_TradingDay_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of trading days.</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="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="isnru_UnderwriterCashDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriter cash discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnderwriterCashDiscount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the cash underwriting discount per unit.</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">Business combination issue price 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_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Exercise price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Exercise Price of Warrants or Rights</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfWarrantExercisePriceAdjustedToPriceReceivedInNewIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of warrant exercise price adjusted to price received in new issuance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfWarrantExercisePriceAdjustedToPriceReceivedInNewIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of Warrant Exercise Price Adjusted to Price Received in New Issuance</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Price threshold of newly issued stock to cause adjustment of exercise warrant price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PriceThresholdOfNewlyIssuedStockToCauseAdjustmentOfExerciseWarrantPrice_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Price Threshold Of Newly Issued Stock To Cause Adjustment Of Exercise Warrant Price</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Threshold trading days for redemption of public warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsThresholdTradingDays_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Threshold number of specified trading days for stock price trigger considered for redemption of warrants.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PaymentForAdministrativeServiceFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment for administrative service</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PaymentForAdministrativeServiceFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Administrative Service Fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PaymentForAdministrativeServiceFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The payment for administrative service.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Sale of stock</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of option units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Number of Shares Issued in Transaction</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfFounderShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of founder shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfFounderShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of founder shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfSurrenderedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Surrendered shares</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_NumberOfSurrenderedShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The number of surrendered shares.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesIssuableUponConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares issuable upon conversion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_SharesIssuableUponConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of shares issuable upon conversion.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excess amount of payment repaid by sponsor</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Repayments of) Related Party Debt</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ShareholdersDeficitTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shareholders&#8217; Deficit [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ShareholdersDeficitTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shareholder's Deficit [Table]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PostBusinessCombinationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Post Business Combination [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_AdditionalUnitsNoLongerSubjectToOverAllotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional purchase Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_AdditionalUnitsNoLongerSubjectToOverAllotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Units No Longer Subject To Over Allotment Option</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_AdditionalUnitsNoLongerSubjectToOverAllotmentOption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of additional units no longer subject to over allotment option.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum threshold written notice period for redemption of public warrants</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</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/terseLabel">Commitments and Contingencies [Line Items]</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="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnderwritingAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriting Agreement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PurchaseAdditionalUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase additional units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PurchaseAdditionalUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Purchase Additional Unit</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PurchaseAdditionalUnit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of purchase additional unit.</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/verboseLabel">Monthly fee of services</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="isnru_PricePerPublicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Public share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PricePerPublicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Price Per Public Share</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PricePerPublicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The price per amount of public share.</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="isnru_PrivatePlacementWarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_InitialPublicOfferingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Initial public offering units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_InitialPublicOfferingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Public Offering Units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_InitialPublicOfferingUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Initial public offering units</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfAggregateConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of aggregate conversion</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfAggregateConversion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of aggregate conversion.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfInitialBusinessCombinationHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of initial business combination holders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfInitialBusinessCombinationHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Initial Business Combination Holders</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfInitialBusinessCombinationHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of initial business combination holders.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfAffirmativeVote_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of affirmative vote</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfAffirmativeVote_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Affirmative Vote</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PercentageOfAffirmativeVote_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of affirmative vote.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDeferredCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDeferredCostsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Deferred Costs, Net</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Transaction costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Offering Costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Underwriting Fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_UnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Underwriting fees</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherUnderwritingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Underwriting discount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherUnderwritingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Underwriting Expense</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDeferredCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDeferredCostsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Deferred Costs, Gross</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ExecessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Execess amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ExecessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Execess Amount</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ExecessAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Execess amount</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PricePerUnits_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Price per units.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Company&#8217;s Performance and Making Key Decisions</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_OverallotmentOptionLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Over-allotment option liability</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_OverallotmentOptionLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Over-allotment option liability.</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Warrant or Right, Number of Securities Called by Each Warrant or Right</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net Loss Per Class B Ordinary Share</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Accounting Standards</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WarrantInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrant Instruments</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_WarrantInstrumentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Warrant instruments policy.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_RedemptionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Redemption percentage</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_RedemptionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Redemption Percentage</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-Based Compensation</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PayToDissolutionExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pay to Dissolution Expenses</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business combination acquires percentage</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_OtherOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other offering costs</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_OtherOfferingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OtherOfferingCosts</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_InitialPublicOfferingAndPrivatePlacementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Initial Public Offering and Private Placement [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredUnderwritingFeeNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred underwriting fee</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredUnderwritingFeeNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Underwriting Fee Non Current</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredUnderwritingFeeNonCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the amount of deferred underwriting fee.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrivatePlacementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Placement Warrant [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PrivatePlacementWarrantsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Placement Warrants [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross proceeds from option units</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Promissory note</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesPayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Payable, Total</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Warrants outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WarrantsAndRightsOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Warrants and Rights Outstanding</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Purchase price per share</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Related Party Transactions [Table]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_ThirdPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Third Party [Member]</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_InvestmentMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date of investment</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_InvestmentMaturityPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maturity date of investment, DD format.</link:label>
    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_PublicShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Public Share [Member]</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_DeferredOfferingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred Offering Costs</link:label>
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    <link:label xml:lang="en-US" xlink:type="resource" xlink:label="isnru_OptionUnitsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Option Units [Member]</link:label>
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