Using CC(C)(C#N)CCl, O=C1Nc2ccc(Cl)cc2C12OCCCO2 to produce CC(C)(C#N)CN1C(=O)C2(OCCCO2)c2cc(Cl)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.