Using Nc1ncc(-c2ccccc2)cc1-c1ccccc1, O=C(CBr)c1ccc(Br)cc1 to produce Brc1ccc(-c2cn3cc(-c4ccccc4)ccc3n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.