Using COc1cc(B2OC(C)(C)C(C)(C)O2)ccc1F, FC(F)(F)c1cnn2c(Br)cnc2n1 to produce COc1cc(-c2cnc3nc(C(F)(F)F)cnn23)ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.