Using OB(O)c1ccncc1, CC(C)(C)c1ccc([N+](=O)[O-])cc1Br to produce CC(C)(C)c1ccc([N+](=O)[O-])cc1-c1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.