Using CC(C)(C)OC(=O)NCCCBr, [N-]=[N+]=NC[C@H]1CCC(=O)N1 to produce CC(C)(C)OC(=O)NCCCN1C(=O)CC[C@@H]1CN=[N+]=[N-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.