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 11-[(3-bromophenyl)methyl]-4,5,7,11-tetrazatricyclo[7.3.0.02,6]dodeca-1,3,6,8-tetraene-10,12-dione into molecular formula.
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C15H9BrN4O2
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