[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][N][Branch1][Ring1][C][C][/C][=Branch1][O][=N][/P][=Branch1][C][=O][Branch1][Ring1][O][C][F][/C]"}, {"from": "gpt", "value": "The molecule is a carboxamidine that is N,N-diethylethanimidamide in which the hydrogen attached to the imino nitrogen has been replaced by a fluoro(methoxy)phosphoryl group. A toxic nerve agent developed by the former Soviet Union. It has a role as an EC 3.1.1.7 (acetylcholinesterase) inhibitor and a neurotoxin. It is an organic phosphoramidate, a fluorine molecular entity and a carboxamidine."}]