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-[(4-ethoxyphenyl)sulfamoyl]phenyl]carbamothioyl]-2-[4-(2-methylpropyl)phenyl]propanamide is given. What is its corresponding molecular formula?
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C28H33N3O4S2
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