You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-(4-tert-butylpyridin-2-yl)-5-carbazol-9-yl-2-[3-[3-(3,5-ditert-butylphenyl)-6-phenyl-2H-benzimidazol-1-yl]phenoxy]carbazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C66H61N5O
assistant