[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an alkane that is heptane in which a hydrogen has been replaced by a methyl group at positions 2 and 4. It has a role as a fungal metabolite. It is an alkane and a volatile organic compound."}, {"from": "gpt", "value": "[C][C][C][C][Branch1][C][C][C][C][Branch1][C][C][C]"}]