[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is the acetate ester of isobutanol. It has a role as a Saccharomyces cerevisiae metabolite. It is functionally related to an isobutanol."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][O][C][=Branch1][C][=O][C]"}]