You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S)-1-(4-chlorophenyl)-N-[2-(2-morpholin-4-ylethylcarbamoyl)phenyl]-5-oxopyrrolidine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H27ClN4O4
assistant