You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,3aR,6aR)-2-(4-chlorophenyl)-3-[4-(dimethylamino)phenyl]-5-phenyl-3a,6a-dihydro-3H-pyrrolo[3,4-d][1,2]oxazole-4,6-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H22ClN3O3
assistant