You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3aS,6S,6aS,9aR,10aS,10bR)-2-ethyl-6-[2-(4-hydroxy-3,5-dimethoxyphenyl)ethenyl]-8-(4-methylanilino)-6a-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C39H39N3O7
assistant