[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a tropane alkaloid."}, {"from": "gpt", "value": "[C][N][C@H1][C][C][C][Ring1][Branch1][C][C][Branch1][Ring2][C][Ring1][#Branch1][O][C][=Branch1][C][=O][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O]"}]