[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule are organic compounds containing an acyclic 2,2,4-trimethylpentane moiety."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][Branch2][Ring1][Ring1][C][Branch1][C][C][Branch1][C][C][C][O][C][=Branch1][C][=O][C][Branch1][C][C][C][O][C][=Branch1][C][=O][C][Branch1][C][C][C]"}]