[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=N][C][=Branch2][Ring1][O][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][Branch1][Branch1][C][=N][Ring1][=Branch1][C][C][O][C][P][=Branch1][C][=O][Branch1][C][O][O][N]"}, {"from": "gpt", "value": "The molecule is a nucleoside reverse transcriptase inhibitor analog of adenosine with activity against hepatitis B virus (HBV), herpes virus, and human immunodeficiency virus (HIV)."}]