You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(3-ethoxypropyl)-6-(4-methoxyphenyl)-4-methyl-5-[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]-1,6-dihydropyrimidin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H30N4O4
assistant