Using CO[C@H](c1ccc(N2CCC3(CCC4(CC3)OCCO4)C2=O)cc1)C(F)(F)F to produce CO[C@H](c1ccc(N2CCC3(CCC(=O)CC3)C2=O)cc1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.