[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch2][Ring1][Ring2][C][=Branch1][C][=O][O][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][O]"}, {"from": "gpt", "value": "Crystals (from alcohol). Insoluble in water. "}]