Using CC(C)c1nc(-c2ccc(C(F)(F)F)cc2)sc1C(C)C=O to produce CC(C)c1nc(-c2ccc(C(F)(F)F)cc2)sc1C(C)CO, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.