You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[4-[6-(5-bromo-2-methylpyridine-3-carbonyl)pyridin-2-yl]-1,4-diazepan-1-yl]-2-(4-methylphenyl)ethanone;molecular hydrogen by IUPAC nomenclature, provide its molecular formula.
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C26H29BrN4O2
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