You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-cyclopentyl-2-[(1R)-1-(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)ethyl]sulfanylacetamide into its molecular formula.
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C17H23N3O2S2
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