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 (2S)-N-[2-[(2,3-dichlorophenyl)methyl]pyrazol-3-yl]-1-(furan-2-carbonyl)pyrrolidine-2-carboxamide ?
user
C20H18Cl2N4O3
assistant