[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a natural product found in Centaurea cineraria, Dahlia tubulata, and other organisms with data available."}, {"from": "gpt", "value": "[C][/C][=C][/C][#C][C][=C][C][=C][Branch1][Ring2][S][Ring1][Branch1][C][#C][C][=C]"}]