Using CNc1nc(Nc2ccc(Br)cc2OC)ncc1C(F)(F)F, Cn1cc(B2OC(C)(C)C(C)(C)O2)cn1 to produce CNc1nc(Nc2ccc(-c3cnn(C)c3)cc2OC)ncc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.