[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a long-chain fatty aldehyde and a 2,3-saturated fatty aldehyde. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite and a mouse metabolite."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=O]"}]