[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an alkene that is dec-1-ene substituted by a methyl group at position 5. Metabolite observed in cancer metabolism. It has a role as a human metabolite."}, {"from": "gpt", "value": "[C][C][C][C][C][C][Branch1][C][C][C][C][C][=C]"}]