[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Siphoneugena densiflora with data available."}, {"from": "gpt", "value": "[C][O][C][=C][C][=Branch1][S][=C][Branch1][=Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][C][=C][C][=O][O][C]"}]