[{"from": "human", "value": "Provide a description of this molecule. [C][=N][C][=C][Branch2][Ring1][#C][N][=C][Branch2][Ring1][=Branch2][N][=C][Ring1][=Branch1][N][Ring1][=Branch2][C@H1][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][F][N]"}, {"from": "gpt", "value": "The molecule is a Nucleoside Metabolic Inhibitor. The mechanism of action of fludarabine is as a Nucleic Acid Synthesis Inhibitor."}]