Using CS(=O)(=O)Cl, O=C(Nc1cccc(OC(F)(F)F)c1)[C@@H]1CC[C@H](CO)N1C(=O)OCc1ccccc1 to produce CS(=O)(=O)OC[C@H]1CC[C@@H](C(=O)Nc2cccc(OC(F)(F)F)c2)N1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.