[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][Branch1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][O][N][=C][C][C][S][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT03481803 (A Phase IIa Study With Escalating Dose of MS1819-SD)."}]