[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Phomopsis velata with data available."}, {"from": "gpt", "value": "[C][C@@H1][C][C][C@@H1][C@@H1][Branch1][Ring2][C][Ring1][=Branch1][C][=C][C@@H1][C@][Ring1][#Branch1][Branch1][=Branch2][C][=Branch1][C][=O][O][C][Ring1][=Branch1][C]"}]