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system
Name the molecular formula for the molecule established as 9,19-diphenyl-6-[3-(9-phenylcarbazol-3-yl)carbazol-9-yl]-2,9,11,19-tetrazapentacyclo[10.7.0.02,10.03,8.013,18]nonadeca-1(12),3(8),4,6,10,13,15,17-octaene using the IUPAC nomenclature.
user
C57H36N6
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