Using CCOC(=O)[C@H](N)CC(C)CC, CC(C)(O)Cn1ccc(NC(=O)[C@H](CC2CCCCC2)N2CC(Oc3ccccc3Cl)=CC2=O)n1 to produce CCOC(=O)[C@@H](CC(C)CC)N1CC(Oc2ccccc2Cl)=CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.