Using Nc1ccc(C(=O)c2ccccc2C(=O)O)cc1[N+](=O)[O-], BrCc1ccccc1 to produce Nc1ccc(C(=O)c2ccccc2C(=O)OCc2ccccc2)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.