[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a long-chain fatty aldehyde that is heptadecane carrying an oxo substituent at position 1. It is found in citrus. It has a role as a plant metabolite and a coral metabolite. It is a long-chain fatty aldehyde, a 2,3-saturated fatty aldehyde and a saturated fatty aldehyde."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=O]"}]