[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][C][C][/C][=C][/C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@@H1][C@H1][Branch2][Ring1][O][C][Branch2][Ring1][Ring1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=C][C][=Branch1][=Branch1][=N][C][Ring1][=Branch1][=O][N][Branch1][C][F][F][O]"}, {"from": "gpt", "value": "The molecule is a pyrimidine 2'-deoxyribonucleoside."}]