You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[6-[4-[2-[3-[2-[4-[5-[4,6-bis(3-phenylphenyl)-1,3,5-triazin-2-yl]pyridin-2-yl]-2-bromophenyl]phenyl]-5-[2-[4-(4-tert-butylpyridin-2-yl)-2-phenylphenyl]phenyl]phenyl]phenyl]-3-bromophenyl]pyridin-3-yl]-4,6-bis(3-phenylphenyl)-1,3,5-triazine is the IUPAC name of a molecule. Please give its molecular formula.
user
C121H83Br2N9
assistant