You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [(1S,3S)-3-methylcyclohexyl] 2-[(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetate by IUPAC nomenclature, provide its molecular formula.
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C17H22N2O3S2
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