[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][N][C][=C][Branch1][P][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][As][=Branch1][C][=O][Branch1][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a pentavalent arsenical compound with antiprotozoal and antihelmintic properties. It was first discovered in 1921 by Ernest Fourneau at the Pasteur Institute. It was developed by Neolab Inc, and approved by Health Canada as an antifungal on December 31, 1964. It has been canceled and withdrawn from the market since August 12, 1997."}]