Using CCOC(=O)CC(NC(=O)c1ccc(Cl)cc1)C(=O)c1ccco1 to produce CCOC(=O)Cc1nc(-c2ccc(Cl)cc2)oc1-c1ccco1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.