Using ClSc1nc2ccccc2s1, O=[N+]([O-])c1cc([N+](=O)[O-])c(Nc2cc(C(F)(F)F)ccc2Cl)c(C(F)(F)F)c1 to produce NSc1nc2ccccc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.