Using CCc1cc(C)c2[nH]cc(C(=O)C(F)(F)F)c2c1Cc1nc2cc(C#N)ccc2[nH]1 to produce CCc1cc(C)c2[nH]cc(C(O)C(F)(F)F)c2c1Cc1nc2cc(C#N)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.