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 N-[4-[1-[2,5-dioxo-1-[4-(trifluoromethylsulfanyl)phenyl]imidazolidin-4-yl]ethyl]pyridin-3-yl]morpholine-4-sulfonamide is given. What is its corresponding molecular formula?
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C21H22F3N5O5S2
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