You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [4-(5-methoxy-1H-indol-3-yl)-3,6-dihydro-2H-pyridin-1-yl]-(3-methoxyphenyl)methanone into its molecular formula.
user
C22H22N2O3
assistant