You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-[3-[9-[9-(4,6-diphenyl-1,3,5-triazin-2-yl)dibenzofuran-2-yl]carbazol-3-yl]phenyl]-9-phenylcarbazole ?
user
C63H39N5O
assistant