Using COC(=O)c1ccc(CCCN2[C@@H](/C=C/C(=O)Cc3cccc(C(F)(F)F)c3)CCS2(=O)=O)s1 to produce COC(=O)c1ccc(CCCN2[C@@H](/C=C/C(O)Cc3cccc(C(F)(F)F)c3)CCS2(=O)=O)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.