You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (1'S,2'S,3S,3'aS)-2'-benzoyl-1'-(4-chlorobenzoyl)-5'-methylspiro[1H-indole-3,3'-2,3a-dihydro-1H-pyrrolo[1,2-a]quinoline]-2-one using the IUPAC nomenclature.
user
C34H25ClN2O3
assistant