Using CCCC(Oc1ccc(-n2cnc(C(F)(F)F)c2)cc1)c1ccc(C(=O)OC)cc1 to produce CCCC(Oc1ccc(-n2cnc(C(F)(F)F)c2)cc1)c1ccc(C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.