[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][Branch1][#Branch1][O][C][Ring1][Branch1][C][O][N][C][=C][Branch1][#Branch2][C][=Branch1][=Branch1][=N][C][Ring1][=Branch1][=O][N][F]"}, {"from": "gpt", "value": "The molecule is a pyrimidine 2',3'-dideoxyribonucleoside."}]