You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-amino-N-[[4-(2-oxopiperidin-1-yl)phenyl]methyl]bicyclo[3.3.1]nonane-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H31N3O2
assistant