You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 23-[4-[3-(9-phenylcarbazol-2-yl)quinoxalin-2-yl]phenyl]-8,23-diazaheptacyclo[13.10.1.02,7.08,26.09,14.016,24.017,22]hexacosa-1(25),2,4,6,9,11,13,15(26),16(24),17,19,21-dodecaene by IUPAC nomenclature, provide its molecular formula.
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C56H33N5
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