You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 5-[2-dibenzofuran-4-yl-4-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]benzo[b]carbazole using the IUPAC nomenclature.
user
C49H30N4O
assistant