Using CCOCC, CC(C)C[C@H](NC(=O)OCc1ccccc1)C(=O)NCc1cncn1-c1ccc(Cl)cc1C(=O)c1ccccc1F to produce Cc1ncc(CNC(=O)[C@@H](N)CC(C)C)n1-c1ccc(Cl)cc1C(=O)c1ccccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.