You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 9,25-dibromo-13,20-dicyclohexyl-13,20-diazaheptacyclo[13.9.2.02,7.06,11.08,23.016,24.018,22]hexacosa-1(25),2,4,6,8,10,15(26),16,18(22),23-decaene-12,14,19,21-tetrone by IUPAC nomenclature, provide its molecular formula.
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C36H28Br2N2O4
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