[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=Branch1][C][=O][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule appears as odorless white crystals or crystalline powder with a slightly bitter taste. "}]