You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 9-[4-[12-(4-carbazol-9-ylphenyl)-10,20-dioxa-2,12-diborapentacyclo[11.7.0.03,11.04,9.014,19]icosa-1(13),3(11),4,6,8,14,16,18-octaen-2-yl]phenyl]carbazole by IUPAC nomenclature, provide its molecular formula.
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C52H32B2N2O2
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