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 methyl 4-[4-[[(1S)-1-phenylethyl]sulfamoyl]phenyl]-5-(trifluoromethyl)thiophene-2-carboxylate is given. What is its corresponding molecular formula?
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C21H18F3NO4S2
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