[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a pyranone."}, {"from": "gpt", "value": "[C][C][C@@H1][C][C][C][=C][Branch1][Branch1][C@H1][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=Branch1][Branch1][=C][O][Ring1][=Branch2][C][O]"}]