You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6a,9a-dichloro-6-(2-hydroxy-5-methoxyphenyl)-2-[2-(4-hydroxyphenyl)ethyl]-8-(2,3,4,5,6-pentafluorophenyl)-3a,4,6,10,10a,10b-hexahydroisoindolo[5,6-e]isoindole-1,3,7,9-tetrone is the IUPAC name of a molecule. Please give its molecular formula.
user
C35H25Cl2F5N2O7
assistant