[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=Branch1][C][=O][=O].[O][=O]"}, {"from": "gpt", "value": "The molecule appears as a gas that liberates oxygen, which intensifies the rate of combustion in a fire. Under prolonged exposure to fire or heat the containers may rupture violently and rocket. Obtain the technical name of the material from the shipping papers and contact CHEMTREC, 800-424-9300 for specific response information."}]