Using CC(=O)O, COc1cnc(NS(=O)(=O)c2ccccc2[N+](=O)[O-])nc1OC to produce COc1cnc(N2C(=O)Nc3ccccc3S2(=O)=O)nc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.