[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a colorless to off-white crystalline solid. Odor threshold 1 ppm. Taste threshold 0.001 mg/L. "}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C]"}]