[{"from": "human", "value": "Please give me some details about this molecule. [C][Branch1][#Branch1][C][=N+1][Branch1][C][O-1][O-1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is dianion of 3-aci-nitropropanoic acid arising from deprotonation of carboxy and nitro groups; major species at pH 7.3. It is a conjugate base of a 3-aci-nitropropanoic acid."}]