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 3-[5-(4-fluorophenyl)-4-oxo-3-prop-2-enylthieno[2,3-d]pyrimidin-2-yl]sulfanyl-N-(3-methoxyphenyl)propanamide is given. What is its corresponding molecular formula?
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C25H22FN3O3S2
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