Using CS(=O)(=O)Cl, COC(=O)C1(CN)CC(c2ccc(F)c(C#N)c2)=NO1 to produce COC(=O)C1(CNS(C)(=O)=O)CC(c2ccc(F)c(C#N)c2)=NO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.