Using CCOC(=O)CC(=O)O, O=C(Cl)CCc1ccc([N+](=O)[O-])cc1 to produce CCOC(=O)CC(=O)CCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.