[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a triol that is butane carrying three hydroxy substituents at position 1, 2 and 4. It has a role as a bacterial xenobiotic metabolite and an Escherichia coli metabolite. It derives from a hydride of a butane."}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][O][C][Branch1][Ring1][C][O][O]"}]