[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a natural product found in Indocypraea montana, Synechococcus elongatus, and other organisms with data available."}, {"from": "gpt", "value": "[C][S+1][Branch1][C][C][C][C][C][=Branch1][C][=O][O-1]"}]