Using CCOC(=O)c1ccc(Nc2nc(Nc3cccc([N+](=O)[O-])c3)nc3[nH]cnc23)cc1 to produce CCOC(=O)c1ccc(Nc2nc(Nc3cccc(N)c3)nc3[nH]cnc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.