[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a butenolide."}, {"from": "gpt", "value": "[C][C][=C][/C][=Branch1][=N][=C][\\C][C][C][N][C][C][C][C][Ring1][Branch1][=O][/O][C][Ring1][#C][=O]"}]