[{"from": "human", "value": "Describe this molecule. [C][/C][=Branch1][#C][=C][Branch1][O][/C][=C][Branch1][=Branch1][\\C][=Branch1][C][=O][O][/Cl][\\Cl][/C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a halo fatty acid."}]