[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=N][C][=Branch2][Ring2][=Branch2][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][Branch1][Branch1][C][=N][Ring1][=Branch1][C@H1][C@H1][Branch2][Ring1][Branch1][C@@H1][Branch1][P][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][O][N].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule is a sodium phosphate salt form of vidarabine, a nucleoside analog with activity against herpes simplex virus and varicella zoster virus. Vidarabine is converted to a monophosphate by viral thymidine kinase and is further modified to a triphosphate form by host enzymes. Vidarabine triphosphate directly inhibits DNA polymerase and also acts as a chain terminator in DNA replication."}]