Using O=C(Nc1cc(C(F)(F)F)ccn1)c1ncccc1Cl, CC[S-] to produce CCSc1cccnc1C(=O)Nc1cc(C(F)(F)F)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.