You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[4-[4-naphthalen-2-yl-2-(4-phenylphenyl)-1,2-dihydro-1,3,5-triazin-6-yl]dibenzofuran-2-yl]benzo[b]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C53H34N4O
assistant