You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 8-(2,4-dichloroanilino)-6-(3-hydroxyphenyl)-6a-(4-methoxyphenyl)-2-(4-nitrophenyl)-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