You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[[2-(4-bromophenyl)-5-methyl-3-oxo-1H-pyrazol-4-yl]methylideneamino]-N,N-diethylbenzamide into molecular formula.
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C22H23BrN4O2
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