Using CCOC(=O)[C@@H]1CCCC[C@@H]1NC(=O)CC(C)CCl to produce CCOC(=O)[C@@H]1CCCC[C@H]1N1CC(C)CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.