Using COc1ccc(Cl)cc1C1(F)C(=O)Nc2cc(C(F)(F)F)ccc21, CSCCl to produce COc1ccc(Cl)cc1C1(F)C(=O)N(CSC)c2cc(C(F)(F)F)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.