Using CCC[C@H](NC(=O)[C@H](CS(=O)(=O)Cc1cccnc1)N[C@@H](c1ccc(F)cc1)C(F)(F)F)C(O)C(=O)NC1CC1 to produce CCC[C@H](NC(=O)[C@H](CS(=O)(=O)Cc1cccnc1)N[C@@H](c1ccc(F)cc1)C(F)(F)F)C(=O)C(=O)NC1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.