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