You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[1-(2,6-diphenylphenyl)benzo[e]benzimidazole-1,3-diium-3-yl]phenyl]-(9-pyridin-2-ylcarbazol-2-yl)-(2,4,6-trimethylphenyl)borane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C61H45BN4+2
assistant