You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1S,6R)-7-bicyclo[4.1.0]heptanyl]-[(3S)-3-(3,5-dimethoxyanilino)piperidin-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H30N2O3
assistant