Using COC(=O)[C@@H]1C[C@@H](OC(=O)N2CCc3cccc(O)c3C2)CN1C(=O)OC(C)(C)C, O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F to produce COC(=O)[C@@H]1C[C@@H](OC(=O)N2CCc3cccc(OS(=O)(=O)C(F)(F)F)c3C2)CN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.