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system
Name the molecular formula for the molecule established as 15-phenyl-16-(4-phenylquinazolin-2-yl)-22-oxa-16-azahexacyclo[12.6.1.16,9.02,7.08,13.017,21]docosa-1(21),2(7),3,5,8(13),9,11,14,17,19-decaene using the IUPAC nomenclature.
user
C40H23N3O
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