You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[1-[5-tert-butyl-2-(4-tert-butylphenyl)phenyl]-4-[3-[4-(4-methylphenyl)pyridin-2-yl]-5-phenylphenyl]benzimidazol-2-yl]phenol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C57H51N3O
assistant