You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[4-(4-methoxy-N-(4-methoxyphenyl)anilino)phenyl]-7-[4-(N-(4-methoxyphenyl)-4-methylanilino)phenyl]-2,6-dihydro-2,6-naphthyridine-1,5-dione into its molecular formula.
user
C48H40N4O5
assistant