[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][Branch1][C][C][C@@H1][Branch2][Ring1][#C][C][=Branch1][C][=O][O][C][C][Branch1][Ring1][C][O][O][C][N][C][=N][C][=C][Ring1][Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][N][N].[Cl]"}, {"from": "gpt", "value": "The molecule is an antiviral prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the treatment of cytomegalovirus retinitis (CMV retinitis) in adults with AIDS. Valganciclovir hydrochloride is also FDA-approved for the prevention of CMV disease in recipients of organ transplants who are at risk for CMV diseases."}]