Using O=C(OCCC1CCCCC1)c1cc([N+](=O)[O-])c(S(=O)(=O)[O-])c([N+](=O)[O-])c1 to produce O=C(OCCC1CCCCC1)c1cc([N+](=O)[O-])c(S(=O)(=O)O)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.