Using CC(=O)c1cccc(-c2cc(C(F)(F)F)cc3ncn(-c4ccccc4)c23)c1 to produce CC(O)c1cccc(-c2cc(C(F)(F)F)cc3ncn(-c4ccccc4)c23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.