You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-methyl-3-[(3S)-3-methyl-4-(4-methylphenyl)piperazine-1-carbonyl]-6-pyrrolidin-1-ylsulfonylquinolin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H32N4O4S
assistant