You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 9-[2,4-bis[4-(2,3,4,5,6-pentadeuteriophenyl)-6-phenyl-1,3,5-triazin-2-yl]phenyl]-4-phenylcarbazole by IUPAC nomenclature, provide its molecular formula.
user
C54H35N7
assistant