Using CC(C)(C)OC(=O)c1cc[nH]c1, FC(F)c1ccc(Br)nc1 to produce CC(C)(C)OC(=O)c1ccn(-c2ccc(C(F)F)cn2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.