You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3aS,6R,6aS,9aR,10aS,10bR)-8-(3-chloro-4-fluorophenyl)-2-(4-chlorophenyl)-6-(3-hydroxyphenyl)-6a-methyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindole-1,3,7,9-tetrone is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H25Cl2FN2O5
assistant