You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (1'R,2'S,3S,3'aS)-1'-(2,2-dimethylpropanoyl)-2'-(3-methoxybenzoyl)spiro[1H-indole-3,3'-2,3a-dihydro-1H-pyrrolo[1,2-a]quinoline]-2-one ?
user
C32H30N2O4
assistant