[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch1][O][C][=Branch1][C][=O][O][C][Branch1][C][C][C][N][P@][=Branch1][C][=O][Branch2][Branch1][C][O][C][C@@H1][C@H1][Branch2][Ring1][P][C@@][Branch2][Ring1][=Branch2][C@][Branch1][Ring2][O][Ring1][Branch1][Branch1][Ring1][C][#N][C][=C][C][=C][N][Ring1][Branch1][N][=C][N][=C][Ring1][=Branch1][N][Branch1][C][C][O][O][C][=Branch1][C][=O][C][Branch1][C][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT01316237 (A Study Evaluating the Safety, Tolerability, Pharmacokinetics and Antiviral Activity of GS-6620 in Treatment Na\u00efve Subjects With Chronic Hepatitis C Virus Infection)."}]