[{"from": "human", "value": "Describe this molecule. [C][C@@H1][Branch2][Ring2][Branch1][C@@H1][Branch2][Ring1][S][C][C][Ring1][Branch1][C@@][Branch2][Ring1][#Branch1][C][=Branch2][Ring1][C][=C][Branch1][=C][C@][Ring1][=Branch1][Branch1][Branch2][C][Ring1][Branch1][Branch1][C][Cl][Cl][Cl][Cl][Cl][Cl][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is one of two isomers of chlordane. Chlordane is a manufactured chemical that was used as a pesticide in the United States from 1948 to 1988. (L90)"}]