[{"from": "human", "value": "Provide a description of this molecule. [O-1][Mn][=Branch1][C][=O][=Branch1][C][=O][=O]"}, {"from": "gpt", "value": "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."}]