Using OB(O)c1ccncc1, CC(C)(C)OC(=O)N1CCN(C(=O)c2ncc(Br)cn2)CC1 to produce CC(C)(C)OC(=O)N1CCN(C(=O)c2ncc(-c3ccncc3)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.