[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a compound whose structure comprises a 2,3-dimethoxy-5-methylbenzoquinone nucleus, common to ubiquinones; and a side chain of seven isoprenoid units."}, {"from": "gpt", "value": "[C][C][=C][Branch2][Ring1][Ring1][C][=Branch1][C][=O][C][=Branch1][#Branch2][=C][Branch1][Branch1][C][Ring1][#Branch1][=O][O][C][O][C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][/C][=C][Branch1][C][\\C][/C][C][C][=C][Branch1][C][C][C]"}]