[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=N][C][=C][Branch1][=N][N][Ring1][Branch1][C][O][C][Branch1][Ring1][C][O][C][O][N][=C][Branch1][=Branch1][N][C][Ring1][=C][=O][N]"}, {"from": "gpt", "value": "The molecule is a Cytomegalovirus Nucleoside Analog DNA Polymerase Inhibitor and Nucleoside Analog Antiviral. The mechanism of action of ganciclovir is as a DNA Polymerase Inhibitor."}]