Using CC(C)(C)CC1NC(C(=O)O)C(c2cccc(Cl)c2)C1(C#N)c1ccc(Cl)cc1, NCC(CO)CO to produce CC(C)(C)CC1NC(C(=O)NCC(CO)CO)C(c2cccc(Cl)c2)C1(C#N)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.