[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@H1][Branch2][Ring1][C][C][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][O][C][P@@][=Branch1][C][=O][Branch1][S][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][O][C][Branch1][C][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1].[C][C@H1][Branch2][Ring1][C][C][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][O][C][P@@][=Branch1][C][=O][Branch1][S][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][O][C][Branch1][C][C][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1].[C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a fumarate salt prepared from tenofovir alafenamide by reaction of one molecule of fumaric acid for every two molecules of tenofovir alafenamide. A prodrug for tenofovir, it is used in combination therapy for the treatment of HIV-1 infection. It has a role as an antiviral drug, a HIV-1 reverse transcriptase inhibitor and a prodrug. It contains a tenofovir alafenamide(1+)."}]