[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][N][=C][Branch1][C][N][N][/C][=Branch1][#Branch2][=N][/P][=Branch1][C][=O][Branch1][C][O-1][O-1][/N].[O].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is a phosphorylated biguanide derivative with antihyperglycamic activity. Benfosformin is associated with an increased risk of lactic acidosis."}]