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 ethyl 4-[4-chloro-3,5-bis[4-(dimethylamino)phenyl]-2,6-diiodophenyl]butanoate is given. What is its corresponding molecular formula?
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C28H31ClI2N2O2
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