You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-tert-butyl-2-[4-[3-[(Z)-3-ethenyl-5-methylhex-2-enyl]phenyl]-1-phenylbenzimidazol-2-yl]phenol by IUPAC nomenclature, provide its molecular formula.
user
C38H40N2O
assistant