[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][O][C][=Branch1][C][=O][C@H1][Branch1][C][C][N][P@@][=Branch1][C][=O][Branch2][Ring1][S][C][O][C@@H1][C][=C][Branch2][Ring1][#Branch1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][F][O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT03472326 (Efficacy of GS-9131 Functional Monotherapy in HIV-1-Infected Adults Failing a Nucleos(t)Ide Reverse Transcriptase Inhibitor-Containing Regimen)."}]