Using CS(N)(=O)=O, C[C@](F)(C(=O)O)c1ccc(OS(=O)(=O)C(F)(F)F)cc1 to produce C[C@](F)(C(=O)NS(C)(=O)=O)c1ccc(OS(=O)(=O)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.