[{"from": "human", "value": "Describe this molecule. [C][=C][Branch1][=C][C][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][Cl][O][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a chlorinated phenol that has been used as a fungicide, herbicide, insecticide, antiseptic, defoliant, and glue preservative. It is a yellow solid with a strong, sweet odour. It decomposes on heating to produce toxic and corrosive fumes including hydrogen chloride and chlorine. The technical grade of this substance may contain polychlorinated dibenzodioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and other contaminants. It is an environmental pollutant that has been found in fresh water lakes such as the Great Lakes. (L158)"}]