Using Cc1[nH]c(C(=O)O)c(C#N)c1Cl, CCOC(=O)N1CC[C@@H](N)[C@@H](OCC)C1 to produce CCOC(=O)N1CC[C@@H](NC(=O)c2[nH]c(C)c(Cl)c2C#N)[C@@H](OCC)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.