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 1-(3-fluoro-4-methoxyphenyl)sulfonyl-5-[4-(trifluoromethyl)pyridin-2-yl]-2,3,3a,4,6,6a-hexahydropyrrolo[2,3-c]pyrrole into molecular formula.
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C19H19F4N3O3S
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