[{"from": "human", "value": "Could you provide a description of this molecule? [C][=N][C][=Branch1][C][=O][N][=C][Ring1][=Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][#Branch2][=O][N]"}, {"from": "gpt", "value": "The molecule is an oxopurine that is guanine which is substituted by an oxo group at position 8. It is an oxopurine and a member of 2-aminopurines. It is functionally related to a guanine."}]