You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[3-[(4,6-dioxo-1,3-diphenyl-2-sulfanylidene-1,3-diazinan-5-ylidene)methyl]-2,5-dimethylpyrrol-1-yl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C34H31N3O4S2
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