[{"from": "human", "value": "Provide a brief overview of 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][C]"}, {"from": "gpt", "value": "The molecule is a berberine alkaloid consisting of columbamine having four extra hydrogens at positions 5, 8, 13 and 13a and (S)-configuration. It is a berberine alkaloid and an organic heterotetracyclic compound. It is functionally related to a columbamine."}]