You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-tert-butyl-6-[[6-(2,3-dimethylphenyl)pyridin-3-yl]methyl]-3,5,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H30N4O
assistant