Using CS(=O)(=O)Cl, CC(C)(C)OC(=O)NCc1cc(F)c(N)cc1F to produce CC(C)(C)OC(=O)NCc1cc(F)c(S(C)(=O)=O)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.