You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(2-methoxy-4,6-dimethylpyridin-3-yl)methyl]-4-azatricyclo[5.2.2.02,6]undec-8-ene-3,5-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H22N2O3
assistant