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 3-(bromomethyl)-5-(4-chloro-2-nitrophenyl)-4-propan-2-yl-1,2,4-triazole is given. What is its corresponding molecular formula?
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C12H12BrClN4O2
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