[{"from": "human", "value": "What can you tell me about this molecule? [C][O][C][=C][Branch2][Ring2][Branch1][C][=C][Branch2][Ring1][O][C][C@H1][C][=C][C][=Branch2][Ring1][C][=C][Branch1][=N][C][=C][Ring1][=Branch1][C][C][N][Ring1][#Branch2][C][Ring1][=C][O][C][O][C][=C][Ring2][Ring1][Branch1][O]"}, {"from": "gpt", "value": "The molecule is a berberine alkaloid isolated from Corydalis saxicola. It has a role as an EC 5.99.1.2 (DNA topoisomerase) inhibitor and a plant metabolite. It is an organic heterotetracyclic compound and a berberine alkaloid."}]