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 (2S)-2-(5,6-dimethylthieno[2,3-d]pyrimidin-4-yl)sulfanyl-N-(4-fluoro-3-nitrophenyl)propanamide is given. What is its corresponding molecular formula?
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C17H15FN4O3S2
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