[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a saturated fatty aldehyde resulting from the formal oxidation of the hydroxy group of 9-methyldecan-1-ol to the corresponding aldehyde."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C][C][C][C][C][C][C][=O]"}]