Using O=[N+]([O-])c1ccc(CO)c(Nc2nccc(-c3cccnc3)n2)c1 to produce Nc1ccc(CO)c(Nc2nccc(-c3cccnc3)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.