[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 3-dodecene in which the double bond adopts a trans-configuration. It has a role as a human metabolite and a human urinary metabolite."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][/C][=C][/C][C]"}]