Using O=C(NS(=O)(=O)c1ccccc1)c1cccc([N+](=O)[O-])c1 to produce Nc1cccc(C(=O)NS(=O)(=O)c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.