[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch2][Ring1][=Branch1][C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][S][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=C][N][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an N-dimethylaminopropyl derivative of [phenothiazine] that was developed in France in 1946. Promethazine antagonizes a variety of receptors, allowing it to be used for a number of indications including allergic reactions, pain, sedation, nausea, and vomiting.  Promethazine was granted FDA approval before 29 March 1951."}]