[{"from": "human", "value": "Provide a description of this molecule. [C][N].[N+1][=Branch1][C][=O][Branch1][C][O][O-1]"}, {"from": "gpt", "value": "The molecule is an explosive chemical formed by the mixture of methylamine and nitric acid. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137,  L1632)"}]