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Under IUPAC nomenclature, a molecule named 11-bromo-1-azapentacyclo[11.7.1.03,8.09,21.014,19]henicosa-3,5,7,9,11,13(21),14,16,18-nonaene-2,20-dione;3,6-diphenyl-9H-carbazole;11-(3,6-diphenylcarbazol-9-yl)-1-azapentacyclo[11.7.1.03,8.09,21.014,19]henicosa-3,5,7,9,11,13(21),14,16,18-nonaene-2,20-dione is given. What is its corresponding molecular formula?
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C88H53BrN4O4
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