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system
What is the molecular formula of the molecule identified by (1S,17S,18S,19S)-17,18-bis(pent-4-ynoxy)-5,7-dioxa-12-azapentacyclo[10.6.1.02,10.04,8.015,19]nonadeca-2,4(8),9,15-tetraene ?
user
C26H29NO4
assistant