Using O=S(=O)(Cl)c1ccccc1, Cn1cc([N+](=O)[O-])cc1C(=O)O to produce Cn1cc(NS(=O)(=O)c2ccccc2)cc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.