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 [2-(5-chloropyridin-2-yl)-1,3,3a,4,6,6a-hexahydropyrrolo[3,4-c]pyrrol-5-yl]-[2-(difluoromethylsulfonyl)phenyl]methanone into molecular formula.
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C19H18ClF2N3O3S
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