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-[(3R)-3-(3-bromophenyl)sulfonyl-3-[4-(1,1,1,2,3,3,3-heptafluoropropan-2-yl)phenyl]pyrrolidin-1-yl]-2-pyridin-4-ylethanone into molecular formula.
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C26H20BrF7N2O3S
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