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system
Provide the molecular formula for the IUPAC named substance (2R,11E)-6-chloro-2-[(3Z,5Z)-hepta-1,3,5-trien-2-yl]-17-hydroxy-9-oxa-1,14,21-triazatetracyclo[12.7.1.03,8.016,21]docosa-3(8),4,6,11,16,19-hexaene-15,18-dione .
user
C25H24ClN3O4
assistant