You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 9-[[9-(4,6-diphenyl-1,3,5-triazin-2-yl)-7-phenyldibenzofuran-1-yl]methyl]-2-phenylcarbazole .
user
C52H34N4O
assistant