Using Brc1cc(Br)cc(-c2nc3ccccc3n2-c2ccccc2)c1, OB(O)c1cccnc1 to produce Brc1cc(-c2cccnc2)cc(-c2nc3ccccc3n2-c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.