You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 3-[[[(2R,3S)-1-methyl-2-(1-methylpyrazol-4-yl)-5-oxopyrrolidin-3-yl]methylamino]methyl]-1H-quinolin-2-one .
user
C20H23N5O2
assistant