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