You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 6-[(1-phenylpyrazol-4-yl)methyl]-2-(2,3,4,5-tetrahydropyridin-6-yl)-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-one by IUPAC nomenclature, provide its molecular formula.
user
C22H24N6O
assistant