You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 4-[[(4R)-4-cyclopropyl-6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl]methyl]-7,8-dimethylchromen-2-one is given. What is its corresponding molecular formula?
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C22H23NO2S
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