Using CS(=O)(=O)[O-], CC(C)C[C@H](N[C@@H](c1ccc(Br)cc1)C(F)(F)F)C(=O)N[C@H](C#N)Cc1ccc(I)cc1 to produce CC(C)C[C@H](N[C@@H](c1ccc(Br)cc1)C(F)(F)F)C(=O)N[C@H](C#N)Cc1ccc(S(C)(=O)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.