Using Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1CCl, O=C1CCCc2cc(S)ccc21 to produce Cc1nc(-c2ccc(C(F)(F)F)cc2)sc1CSc1ccc2c(c1)CCCC2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.