Using COc1ccc(C(=O)C=Cc2ccc([N+](=O)[O-])cc2)cc1, NNc1ccccc1 to produce COc1ccc(C2=NN(c3ccccc3)C(c3ccc([N+](=O)[O-])cc3)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.