You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]-3-(furan-2-ylmethyl)-6-(3-methoxyphenyl)-4-methyl-1,6-dihydropyrimidin-2-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H21ClN4O4
assistant