Using CCNC[C@H](CC(=O)OC(C)(C)C)Nc1ccc(C#N)c(Cl)c1 to produce CCN1C[C@@H](Nc2ccc(C#N)c(Cl)c2)CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.