Using NS(=O)(=O)c1cccc2c1c([N+](=O)[O-])cc1nc(O)c(O)nc12 to produce Nc1cc2nc(O)c(O)nc2c2cccc(S(N)(=O)=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.