[{"from": "human", "value": "Provide a description of this molecule. [C][=N][C][=Branch2][Ring2][Ring1][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][Branch1][Branch1][C][=N][Ring1][=Branch1][C@H1][C@@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][=Branch1][C][=O][O-1][O][O][N]"}, {"from": "gpt", "value": "The molecule is the conjugate base of 9-riburonosyladenine arising from deprotonation of the carboxylic acid function. It is a monocarboxylic acid anion and a purine nucleoside. It is a conjugate base of a 9-riburonosyladenine."}]