[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an organic sodium salt having thiopental(1-) as the counter-ion. It has a role as an intravenous anaesthetic. It contains a thiopental(1-)."}, {"from": "gpt", "value": "[C][C][C][C][Branch1][C][C][C][Branch1][#C][C][=Branch1][C][=O][N][C][=Branch1][=Branch1][=N][C][Ring1][#Branch1][=O][S-1][C][C].[Na+1]"}]