You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(4-methoxyphenyl)-3-[(4-methoxyphenyl)methyl]-4-methyl-5-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]-1,6-dihydropyrimidin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H28N4O4
assistant