[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an endocannabinoid and an endogenous agonist of the cannabinoid receptors (CB1 and CB2). It is an ester formed from omega-6-arachidonic acid and glycerol. It has a role as a human metabolite. It is an endocannabinoid and a 2-acylglycerol 20:4. It is functionally related to an arachidonic acid."}, {"from": "gpt", "value": "[C][C][C][C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][C][Branch1][Ring1][C][O][C][O]"}]