You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [4-[(3S,3aS,6aS)-5-(4-chlorophenyl)-4,6-dioxo-2-phenyl-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazol-3-yl]-2-methoxyphenyl] benzoate .
user
C31H23ClN2O6
assistant