[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is an antiviral agent with activity against herpes simplex viruses and other members of the herpes virus family. Phosphonoacetic acid inhibits viral DNA polymerase and inhibits the synthesis of viral DNA."}]