Using O=[N+]([O-])c1ccc(N2CCNCC2)cc1, CCOC(=O)CCCBr to produce CCOC(=O)CCCN1CCN(c2ccc(N)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.