You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[4-[2-(N-ethyl-3-methylanilino)ethoxy]-3-methoxyphenyl]-6-[4-(iodomethyl)phenyl]-6,7-dihydrothieno[3,2-d]pyrimidin-4-one into molecular formula.
user
C31H32IN3O3S
assistant