Using ClSC(Cl)(Cl)Cl, CC1(C)C=CC2=C(C1)C(=O)NC(=O)C2 to produce CC1(C)C=CC2=C(C1)C(=O)N(SC(Cl)(Cl)Cl)C(=O)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.