You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-[[1-(3-bromophenyl)benzimidazol-2-yl]methyl]-N-[(2-methylphenyl)methyl]piperidine-4-carboxamide into molecular formula.
user
C28H29BrN4O
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