[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is finely divided, the mixture may be explosive. May spontaneously ignite in contact with liquid combustible materials. Contact with sulfuric acid may cause fire or explosion."}, {"from": "gpt", "value": "[O-1][Mn][=Branch1][C][=O][=Branch1][C][=O][=O]"}]