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  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentAndRegulatoryMilestonePayments" abstract="false" name="CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentAndRegulatoryMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsPeriodAfterContractualAgreementEnds" abstract="false" name="CollaborativeArrangementRightsAndObligationsPeriodAfterContractualAgreementEnds" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsPeriodAfterFirstCommercialSale" abstract="false" name="CollaborativeArrangementRightsAndObligationsPeriodAfterFirstCommercialSale" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentMilestonePayments" abstract="false" name="CollaborativeArrangementRightsAndObligationsMaximumAggregateDevelopmentMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CollaborativeArrangementRightsAndObligationsMaximumAggregateCommercialMilestonePayments" abstract="false" name="CollaborativeArrangementRightsAndObligationsMaximumAggregateCommercialMilestonePayments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_A2021PlanMember" abstract="true" name="A2021PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfAdditionalSharesAuthorizedEachYear" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentOfAdditionalSharesAuthorizedEachYear" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardMultiplierForInitialNumberOfSharesReserved" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMultiplierForInitialNumberOfSharesReserved" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="cnta_RestrictedShareAwardsAndUnitsMember" abstract="true" name="RestrictedShareAwardsAndUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cnta_DeferredTaxAssetsCapitalizedResearchAndDevelopment" abstract="false" name="DeferredTaxAssetsCapitalizedResearchAndDevelopment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_OperatingLossCarryforwardsSubjectToExpiration" abstract="false" name="OperatingLossCarryforwardsSubjectToExpiration" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_FederalIncomeTaxExpenseBenefitAbstract" abstract="true" name="FederalIncomeTaxExpenseBenefitAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cnta_StateIncomeTaxExpenseBenefitAbstract" abstract="true" name="StateIncomeTaxExpenseBenefitAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cnta_ForeignIncomeTaxExpenseBenefitAbstract" abstract="true" name="ForeignIncomeTaxExpenseBenefitAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cnta_EffectiveIncomeTaxRateReconciliationLossesSurrenderedForTaxIncentivePercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationLossesSurrenderedForTaxIncentivePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cnta_EffectiveIncomeTaxRateReconciliationNonTaxableResearchAndDevelopmentPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationNonTaxableResearchAndDevelopmentPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cnta_EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentsPercent" abstract="false" name="EffectiveIncomeTaxRateReconciliationReturnToProvisionAdjustmentsPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="cnta_OperatingLossCarryforwardsAndResearchTaxCredits" abstract="false" name="OperatingLossCarryforwardsAndResearchTaxCredits" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseProgram" abstract="false" name="ResearchAndDevelopmentExpenseProgram" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseOtherOrexinProgram" abstract="false" name="ResearchAndDevelopmentExpenseOtherOrexinProgram" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseTechnologyPlatform" abstract="false" name="ResearchAndDevelopmentExpenseTechnologyPlatform" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_DiscontinuedResearchAndDevelopmentExpenses" abstract="false" name="DiscontinuedResearchAndDevelopmentExpenses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_OtherRDExpensesAbstract" abstract="true" name="OtherRDExpensesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cnta_ResearchAndDevelopmentExpenseTaxIncentives" abstract="false" name="ResearchAndDevelopmentExpenseTaxIncentives" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cnta_CommonStockReceivablePerCompanyShare" abstract="false" name="CommonStockReceivablePerCompanyShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="cnta_CommonStockTransferableContingentValue" abstract="false" name="CommonStockTransferableContingentValue" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_CommonStockAdditionalCashPayment" abstract="false" name="CommonStockAdditionalCashPayment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="cnta_ContingentValueRightsAgreementMaximumReceivablePerAgreement" abstract="false" name="ContingentValueRightsAgreementMaximumReceivablePerAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="cnta_GregoryWeinhoffMember" abstract="true" name="GregoryWeinhoffMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="cnta_KarenAndersonMember" abstract="true" name="KarenAndersonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
