You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2,4-dimethoxyphenyl)-3-(2,6-dimethylphenyl)-7-[3-methoxy-4-(1-methylpiperidin-4-yl)anilino]-4H-pyrimido[4,5-d]pyrimidin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C35H40N6O4
assistant