You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-(4-bromo-3,5-dimethylpyrazol-1-yl)-1-(1,4-diazepan-1-yl)ethanone is given. What is its corresponding molecular formula?
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C12H19BrN4O
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