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 3-[3,5-dibromo-4-(2-ethyl-4-hydroxy-3,5-dimethylphenoxy)-2-methylanilino]-3-oxopropanoic acid is given. What is its corresponding molecular formula?
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C20H21Br2NO5
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