Using BrCc1ccccc1, COC(=O)c1cc([N+](=O)[O-])c(O)cc1C to produce COC(=O)c1cc([N+](=O)[O-])c(OCc2ccccc2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.