You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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5-bromo-N-[(E)-(5-chloro-3-methyl-1-phenylpyrazol-4-yl)methylideneamino]pyridine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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C17H13BrClN5O
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