[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a berberine alkaloid and an organic heterotetracyclic compound."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring2][C][C][=C][N+1][=C][Branch1][=Branch2][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][C][=C][C][=Branch1][=C][=C][Branch1][=Branch2][C][=C][Ring1][=Branch1][C][C][Ring1][=C][O][C][O][O][C]"}]