Using COc1ccc2c(c1)CCNC2, O=[N+]([O-])c1ccc(CCBr)cc1 to produce COc1ccc2c(c1)CCN(CCc1ccc([N+](=O)[O-])cc1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.