[{"from": "human", "value": "Generate a molecule based on this description. The molecule appears as a white crystalline solid. Insoluble in water and denser than water. Hence sinks in waters. Very irritating to skin and eyes. Used to make plastics and adhesives. Mixed isomers."}, {"from": "gpt", "value": "[C][C][=C][C][C][C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][Ring1][=Branch1][=O]"}]