[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Ceriops decandra with data available."}, {"from": "gpt", "value": "[C][C@@][C][C][C@@H1][C@][Branch2][Ring1][#C][C][C][C][C@@][Branch2][Ring1][Ring1][C@@H1][Ring1][=Branch1][C][C][C@][Ring1][#Branch2][Branch1][Ring2][C][Ring1][=C][C][C][Ring1][S][=O][Branch1][C][C][C][=O][C]"}]