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