[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an alkane that is dodecane substituted by methyl groups at positions 4 and 6. Metabolite observed in cancer metabolism. It has a role as a human metabolite. It derives from a hydride of a dodecane."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][Branch1][C][C][C][C][Branch1][C][C][C][C][C]"}]