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Translate the chemical IUPAC name 9,23-dibromo-4-octadecyl-4-azaheptacyclo[14.5.2.02,6.07,20.010,19.013,18.017,21]tricosa-1(22),2(6),7,9,11,13(18),14,16(23),17(21),19-decaene-3,5-dione into its molecular formula.
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C40H43Br2NO2
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