[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][Branch2][Ring1][O][C@H1][Branch2][Ring1][Branch1][O][C@H1][Ring1][Branch1][N][C][=N][C][=C][Branch1][=Branch2][N][=C][N][=C][Ring1][=Branch1][Ring1][=Branch2][N][C][O][O]"}, {"from": "gpt", "value": "The molecule is a derivative of nucleoside adenosine. It is comprised of adenine attached to a deoxyribose moiety via a N9-glycosidic bond. Deoxyribose differs from ribose by the absence of oxygen in the 3' position of its ribose ring. Deoxyadenosine is a critical component of DNA."}]