You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule methyl (Z)-3-(4-methylsulfanylphenyl)-2-(4-oxo-2-sulfanylidene-1H-pyrimidin-6-yl)prop-2-enoate into molecular formula.
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C15H14N2O3S2
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