You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 4-[[2,6-dibromo-4-[(Z)-2-cyano-3-(dimethylamino)-3-oxoprop-1-enyl]phenoxy]methyl]benzoic acid into its molecular formula.
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C20H16Br2N2O4
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