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