[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an alkane that is decane in which the two methylene hydrogens at position 3 have been replaced by a methyl group and an ethyl group. It has a role as a volatile oil component, a plant metabolite and a bacterial metabolite."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][Branch1][C][C][Branch1][Ring1][C][C][C][C]"}]