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 (1S,2R,4R)-N-[2-methoxy-5-(pyrrolidine-1-carbonyl)phenyl]bicyclo[2.2.1]hept-5-ene-2-carboxamide .
user
C20H24N2O3
assistant