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 N-(3-methoxyphenyl)-2-[(4R)-4-methyl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]acetamide into molecular formula.
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C17H20N2O2S
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