You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[7-(2,4-diphenyl-1,2-dihydro-1,3,5-triazin-6-yl)naphthalen-2-yl]-3,9-diphenylcarbazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C49H34N4
assistant