You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[4-(8-naphthalen-1-yldibenzofuran-3-yl)-6-phenyl-1,3,5-triazin-2-yl]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H26N4O
assistant