[{"from": "human", "value": "Describe 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][=C][O][C][O][C][=Branch1][C][=O][O][C][Branch1][C][C][C][O][C][O][C][=Branch1][C][=O][O][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an organic phosphonate that is the disoproxil ester of tenofovir. A prodrug for tenofovir, an HIV-1 reverse transcriptase inhibitor, tenofovir disoproxil is used as the fumaric acid salt in combination therapy for the treatment of HIV infection. It has a role as a prodrug, a HIV-1 reverse transcriptase inhibitor and an antiviral drug. It is functionally related to a tenofovir (anhydrous)."}]