Using O=[N+]([O-])c1c(F)c(Cl)cc2c1[nH]c1cnccc12, CC[S-] to produce CCSc1c(Cl)cc2c([nH]c3cnccc32)c1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.