Using O=c1[nH]c2cc(Sc3cccc4cnccc34)c([N+](=O)[O-])cc2s1, O=S([O-])([O-])=S to produce O=c1[nH]c2cc(S(=O)c3cccc4cnccc34)c([N+](=O)[O-])cc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.