[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a white crystalline solid. "}, {"from": "gpt", "value": "[C][C][=C][C][=Branch2][Ring1][Ring1][=C][Branch1][#C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][Branch1][C][C][Branch1][C][C][C][O][C][Branch1][C][C][Branch1][C][C][C]"}]