Using O=C1N2CCc3ccsc3C23SC1(c1ccccc1)CC3[N+](=O)[O-] to produce O=c1c(-c2ccccc2)cc([N+](=O)[O-])c2n1CCc1ccsc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.