[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a member of carbazoles. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][N][C][=C][Ring1][Branch2][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=O]"}]