[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a nitrogen oxoanion arising from deprotonation of the hydroxy group of nitroethane. It is a conjugate base of an aci-nitroethane."}, {"from": "gpt", "value": "[C][/C][=N+1][Branch1][C][\\O-1][/O-1]"}]