Using COC(=O)c1ccc(CC2(C(=O)OC)Cc3c(-c4cccc(C(F)(F)F)c4)ccc(OC)c3C2=O)cc1 to produce COc1ccc(-c2cccc(C(F)(F)F)c2)c2c1C(=O)C(Cc1ccc(C(=O)O)cc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.