Using CS(=O)(=O)c1ccc(-c2cc(C(N)=O)sc2-c2ccc(F)cc2)cc1 to produce CS(=O)(=O)c1ccc(-c2cc(C#N)sc2-c2ccc(F)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.