Using [N-]=[N+]=[N-], O=[N+]([O-])c1ccc(Cc2ccc(CBr)cc2)cc1 to produce [N-]=[N+]=NCc1ccc(Cc2ccc([N+](=O)[O-])cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.