[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=N][C][=C][Branch1][=Branch2][N][Ring1][Branch1][C][O][C][C][O][N][=C][Branch1][=Branch1][N][C][Ring1][N][=O][N]"}, {"from": "gpt", "value": "The molecule is an oxopurine that is guanine substituted by a (2-hydroxyethoxy)methyl substituent at position 9. Used in the treatment of viral infections. It has a role as an antiviral drug and an antimetabolite. It is an oxopurine and a member of 2-aminopurines. It is functionally related to a guanine."}]