Using C=C(CO)c1cc(C#N)cc(NC(=O)OC(C)(C)C)c1Cl to produce CC(CO)c1cc(C#N)cc(NC(=O)OC(C)(C)C)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.