You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[2-bromo-5-methoxy-4-[(4-methylphenyl)methoxy]phenyl]-2-(6-methyl-1H-benzimidazol-2-yl)prop-2-enenitrile is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H22BrN3O2
assistant