Using OB(O)c1ccc(N(c2ccccc2)c2ccccc2)cc1, Cc1cc(Br)ccc1Br to produce Cc1cc(-c2ccc(N(c3ccccc3)c3ccccc3)cc2)ccc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.