Using COc1ccccc1-c1nnc2ccc(-c3ccc([N+](=O)[O-])c(OC)c3)cn12 to produce COc1cc(-c2ccc3nnc(-c4ccccc4OC)n3c2)ccc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.