You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-dibenzofuran-2-yl-9-(4,6-diphenyl-1,3,5-triazin-2-yl)carbazole;2-dibenzofuran-2-yl-9-[2-(4,6-diphenyl-1,3,5-triazin-2-yl)phenyl]carbazole;2-dibenzofuran-2-yl-9-[4-(3-phenylphenyl)-6-(4-phenylphenyl)-1,3,5-triazin-2-yl]carbazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C135H84N12O3
assistant