You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 6-(4-hydroxy-3-methylphenyl)-6a-methyl-2-(4-nitrophenyl)-8-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone by IUPAC nomenclature, provide its molecular formula.
user
C34H29N3O7
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