[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Strychnos guianensis, Stereospermum colais, and other organisms with data available."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring2][#Branch2][C][=C][C@@H1][Branch2][Ring1][Branch1][C@H1][Branch1][S][C@@][Branch1][Branch2][C][C][Ring1][=Branch1][=C][Ring1][#Branch2][Branch1][Ring1][C][O][O][C][O][C][=C][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][O][C][O]"}]