Using CNC(=O)CC(C(=O)N(C)[C@H](C)C(=O)OC)c1ccc(OCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)cc1 to produce CNC(=O)CC(C(=O)N(C)[C@H](C)C(=O)O)c1ccc(OCc2cc(C(F)(F)F)cc(C(F)(F)F)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.