Using O=C([O-])[O-], O=[N+]([O-])c1ccc2c(=S)[nH]n(-c3ccccc3)c2c1 to produce CSc1nn(-c2ccccc2)c2cc([N+](=O)[O-])ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.