[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an indanone with an oxo substituent at position 2. It is a metabolite of indane. It has a role as a xenobiotic metabolite."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][#Branch2]"}]