[{"from": "human", "value": "Describe this molecule. [C][C][N][Branch1][=Branch2][C][C][N][Ring1][=Branch1][C][C][O][C][C][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an organic sodium salt, a N-(2-hydroxyethyl)piperazine and a N-(sulfoalkyl)piperazine. It contains a 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonate."}]