[{"from": "human", "value": "What can you tell me about this molecule? [C][O][C][Branch1][Branch2][C][N][C][=Branch1][C][=O][N][C][Hg][Cl]"}, {"from": "gpt", "value": "The molecule is a mercurial compound with toxic side effects that was previously used as a diuretic. The radiolabeled form has been used as a diagnostic and research tool. It is no longer used and has been replaced with new classes of diuretic drugs."}]