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 (3R)-N-methyl-N-[2-(4-methylanilino)-2-oxoethyl]-5-oxo-1-[(1S)-1-phenylethyl]pyrrolidine-3-carboxamide ?
user
C23H27N3O3
assistant