[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=Branch1][C][=O][C][=C][C][=C][N][C][=C][Ring1][=Branch1][N][Branch1][#Branch1][C][Ring1][=Branch2][=C][Ring1][=C][C][=Branch1][C][=O][C][=C][Ring1][=Branch2]"}, {"from": "gpt", "value": "The molecule is an organic heterotetracyclic compound and an alkaloid."}]