You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(E)-(5-bromo-2-hydroxyphenyl)methylideneamino]-4-methyl-5-oxo-1,4-dihydropyrazole-3-carboxamide into molecular formula.
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C12H11BrN4O3
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