You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(3aS,6R,6aS,9aR,10aS,10bR)-6-(5-chloro-2-hydroxyphenyl)-6a-methyl-1,3,7,9-tetraoxo-8-phenyl-4,6,9a,10,10a,10b-hexahydro-3aH-isoindolo[5,6-e]isoindol-2-yl]-2-hydroxybenzoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H27ClN2O8
assistant