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Name the molecular formula for the molecule established as 3-(2,4,6-trimethylphenyl)-9-[8-[8-[3-(2,4,6-trimethylphenyl)carbazol-9-yl]dibenzofuran-2-yl]dibenzofuran-2-yl]carbazole using the IUPAC nomenclature.
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C66H48N2O2
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