Using OCc1nc2ccccc2[nH]1, O=[N+]([O-])c1ccc(CBr)cc1 to produce O=[N+]([O-])c1ccc(Cn2c(CO)nc3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.