Using C[O-], Cn1c(-c2cccc(OC(F)(F)F)c2)nc(Br)c1C=O to produce COc1nc(-c2cccc(OC(F)(F)F)c2)n(C)c1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.