[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a natural product found in Strychnos angolensis with data available."}, {"from": "gpt", "value": "[C][C][C@@H1][C][N][C][C][C][C@@H1][Ring1][Branch1][C][C@@H1][Ring1][=Branch2][C][C@@H1][Ring1][=Branch1][N][C][=C][C][=C][C][=C][Ring1][=N][Ring1][=Branch1]"}]