[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][Branch1][O][C][Ring1][Branch1][C][C][Ring1][=Branch1][O][Ring1][Ring1][C][Branch2][Ring1][#Branch1][C][=Branch2][Ring1][C][=C][Branch1][=C][C][Ring1][#Branch2][Branch1][Branch2][C][Ring1][Branch1][Branch1][C][Cl][Cl][Cl][Cl][Cl][Cl]"}, {"from": "gpt", "value": "The molecule has been found as a contaminant throughout the environment, including foodstuffs, fish, human milk, etc.\n\nEndrin belongs to the family of Benzoxepines. These are organic compounds containing a benzene ring fused to an oxepine ring (unsaturated seven-member heterocycle with one oxygen atom replacing a carbon atom.)."}]