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 5-bromo-N-[(3R)-1-[4-(1,1-dioxo-1,2-thiazolidin-2-yl)-3-methylphenyl]-5-oxopyrrolidin-3-yl]thiophene-2-carboxamide into molecular formula.
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C19H20BrN3O4S2
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