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 12-(4-dibenzofuran-1-yl-6-phenyl-1,3,5-triazin-2-yl)-11-[4-(3-phenylphenyl)phenyl]indolo[2,3-a]carbazole .
user
C57H35N5O
assistant