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-[7-[8-(2,4-diphenyl-1,2-dihydro-1,3,5-triazin-6-yl)dibenzofuran-1-yl]dibenzofuran-3-yl]carbazole by IUPAC nomenclature, provide its molecular formula.
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C51H32N4O2
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