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 2-(N-(4-bromophenyl)sulfonyl-4-ethoxyanilino)-N-(2,2,7-trimethyl-3,4-dihydrochromen-4-yl)acetamide is given. What is its corresponding molecular formula?
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C28H31BrN2O5S
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