[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][N+1][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is a drug that has been approved by the U.S. Food and Drug Administration (FDA) to treat a condition called myasthenia gravis and to reverse the effects of muscle relaxants. In addition, pyridostigmine has been used in the military as a pretreatment for exposure to the chemical nerve agent Soman. It is also being studied as an investigational drug to treat HIV infection."}]