You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 4-[3-methoxy-4-[(2-methylphenyl)methoxy]-5-nitrophenyl]-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H23N3O7
assistant