Using CC(C)(C)OC(=O)Nc1cc(C#N)cc(C(O)CN(CCO)C(=O)OC(C)(C)C)c1Cl to produce CC(C)(C)OC(=O)Nc1cc(C#N)cc(C2CN(C(=O)OC(C)(C)C)CCO2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.