You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 12-[3-(4-phenylphenyl)phenyl]-7-[4-(3-phenylphenyl)-6-(4-phenylphenyl)-1,3,5-triazin-2-yl]-[1]benzofuro[2,3-a]carbazole into its molecular formula.
user
C63H40N4O
assistant