[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a clear colorless liquid. Sets to glass at -67 \u00b0F. Faint olefinic odor. "}, {"from": "gpt", "value": "[C][C][C][C][Branch1][Ring2][O][Ring1][Ring1][C][C][Ring1][#Branch1][C][C][O][Ring1][Ring1]"}]