Using O=[N+]([O-])c1ccccc1O, CN(C(=O)CBr)c1ccccc1 to produce CN(C(=O)COc1ccccc1[N+](=O)[O-])c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.