You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[10-(4-dibenzofuran-2-yl-6-phenyl-1,3,5-triazin-2-yl)naphtho[2,1-b][1]benzofuran-5-yl]benzo[b]carbazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C53H30N4O2
assistant