[{"from": "human", "value": "Describe this molecule. [C][C][C][Branch1][#C][C][=Branch1][C][=O][N][C][=Branch1][=Branch1][=N][C][Ring1][#Branch1][=O][O-1][C][=C][C][=C][C][=C][Ring1][=Branch1].[Na+1]"}, {"from": "gpt", "value": "The molecule is a barbiturate that is the sodium salt of phenobarbital (barbituric acid substituted at C-5 by ethyl and phenyl groups). It is an organic sodium salt and a member of barbiturates. It contains a phenobarbital."}]