Using CCS, NS(=O)(=O)c1c(C(F)(F)F)nc2ccc(Cl)nn12 to produce CCSc1ccc2nc(C(F)(F)F)c(S(N)(=O)=O)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.