Using C[O-], Cc1ccc(SC(C#N)c2cccc(C(=O)c3ccccc3)c2)cc1 to produce Cc1ccc(SC(C)(C#N)c2cccc(C(=O)c3ccccc3)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.