[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a monounsaturated fatty aldehyde that is heptadecanal carrying a double bond at position 8. It has a role as a plant metabolite. It is a long-chain fatty aldehyde and a monounsaturated fatty aldehyde."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][/C][=C][/C][C][C][C][C][C][C][=O]"}]