Using CCOC(C)=O, CC(C)(C)CC1CNC(c2cccc(Cl)c2F)C1(C#N)c1ccc(Cl)cc1F to produce CCOC(=O)CN1C[C@@H](CC(C)(C)C)[C@](C#N)(c2ccc(Cl)cc2F)[C@H]1c1cccc(Cl)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.