[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Si][Branch1][C][C][Branch1][C][C][C][=C][C][=Branch2][Ring1][=C][=C][Branch2][Ring1][=Branch2][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][=C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O][O][Si][Branch1][C][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT03251092 (Study Designed to Assess the Safety, Tolerability and PK of PTI-808 in Healthy Volunteers and in Adults With Cystic Fibrosis)."}]