[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][Branch1][S][C][=Branch1][C][=O][C][=Branch1][Branch2][=C][Branch1][Ring2][N][Ring1][#Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a white to light-brown, crystalline solid. Mp: 320 \u00b0C. Practically insoluble in water. Administered to poultry to prevent the growth of pathogenic parasites."}]