Using COc1c(C(=O)O)cccc1[N+](=O)[O-], BrCc1ccccc1 to produce COc1c(C(=O)OCc2ccccc2)cccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.