Using CCCCCCN1CCNC(=O)C1=O, O=[N+]([O-])c1ccc(CBr)cc1 to produce CCCCCCN1CCN(Cc2ccc([N+](=O)[O-])cc2)C(=O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.