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 (4aR,7aS)-6-(5-fluoropyrimidin-2-yl)-7a-pyridin-4-yl-4,4a,5,7-tetrahydropyrrolo[3,4-e][1,3]thiazin-2-amine is given. What is its corresponding molecular formula?
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C15H15FN6S
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