[{"from": "human", "value": "Describe this molecule. [N+1][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is a nitrogen oxoanion formed by loss of a proton from nitric acid. Principal species present at pH 7.3. It is a nitrogen oxoanion, a member of reactive nitrogen species and a monovalent inorganic anion. It is a conjugate base of a nitric acid."}]