[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][=Branch1][C][=O][O][C][Ring1][=Branch1][=O]"}, {"from": "gpt", "value": "The molecule appears as colorless needles or white crystalline solid. Melting point 237 \u00b0F. Sublimes at 239 \u00b0F at 5 mmHg pressure; and at 198 \u00b0F and 1 mmHg pressure. Moderately toxic and an irritant."}]