You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-[[2-(4-bromo-2-methoxy-6-methylanilino)-3-methylbenzimidazol-4-yl]-propan-2-ylamino]benzonitrile into its molecular formula.
user
C26H26BrN5O
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