Using Cn1nc(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c([N+](=O)[O-])c1N, CSSC to produce CSc1c([N+](=O)[O-])c(-c2c(Cl)cc(C(F)(F)F)cc2Cl)nn1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.