[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O]"}, {"from": "gpt", "value": "The molecule is a very white crystalline solid that becomes pink on exposure to light if not completely pure. Burns although ignition is difficult. Density approximately 1.28 g / cm3. Irritating to skin and eyes. Toxic by skin absorption. Used to make plastics and pharmaceuticals."}]