Using CCOc1cc(N2CCN(C)CC2)c2oc(C(=O)O)cc(=O)c2c1, O=C(Cl)C(=O)Cl to produce CCOc1cc(N2CCN(C)CC2)c2oc(C(=O)Cl)cc(=O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.