[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an alkane that is decane substituted by a methyl group at positions 2,4 and 6. It has a role as a bacterial metabolite, a fungal metabolite, a human metabolite and a plant metabolite. It is an alkane and a volatile organic compound."}, {"from": "gpt", "value": "[C][C][C][C][C][Branch1][C][C][C][C][Branch1][C][C][C][C][Branch1][C][C][C]"}]