You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methyl 6-methyl-4-(5-methylthiophen-2-yl)-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C12H14N2O2S2
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