Using CC(C)(C)OC(=O)N1CCN(C(N)=S)CC1, O=C(CCl)CCl to produce CC(C)(C)OC(=O)N1CCN(c2nc(CCl)cs2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.