[{"from": "human", "value": "Describe this molecule. [C][C][C][Branch2][Ring1][Branch2][C][Branch2][Ring1][Ring1][C][C][=C][C][C][=C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a dihydroxy monocarboxylic acid and an octadecadienoic acid."}]