[{"from": "human", "value": "Describe this molecule. [C][C][C][C][O][C][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule appears as odorless white crystals or crystalline powder. Tasteless, but numbs the tongue. Aqueous solutions slightly acidic to litmus. "}]