[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][C][=C][Branch1][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][C][Branch1][C][C][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a water soluble prodrug and is converted to propofol in the liver. Fospropofol is a short acting hypnotic/sedative/anesthetic agent. Unlike propofol, does not cause injection-site pain as it is unable to activate TRPA1. FDA approved in December 2008. Fospropofol is a Schedule IV controlled substance in the United States under the Controlled Substances Act."}]