[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][=C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][Cl][C][=N][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][Branch2][O]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT02589236 (Study of Cavosonstat (N91115) in Patients With CF Homozygous for the F508del-CFTR Mutation)."}]