[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule appears as white to light tan crystalline powder or a fine beige powder. Very slight aromatic odor. "}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch1][C][C][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][O]"}]