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