Using COC(=O)c1c(Cl)ccc([N+](=O)[O-])c1N, CCOC(=O)CC(=O)OCC to produce CCOC(=O)C(C(=O)OCC)c1ccc([N+](=O)[O-])c(N)c1C(=O)OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.