Using Fc1ccc2nc(S)[nH]c2c1F, O=Cc1ccc([N+](=O)[O-])o1 to produce O=Cc1ccc(Sc2nc3ccc(F)c(F)c3[nH]2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.