Using NN=C(c1ccccc1)c1ccccc1, O=c1ccc(Br)c[nH]1 to produce O=c1ccc(NN=C(c2ccccc2)c2ccccc2)c[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.