[{"from": "human", "value": "What can you tell me about 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][F][Cl][N]"}, {"from": "gpt", "value": "The molecule is a purine analogue and antineoplastic agent used in the therapy of acute lymphoblastic leukemia (ALL) in children. Clofarabine is associated with frequent transient serum enzyme elevations during therapy, but they are usually asymptomatic and transient and it has only rarely been implicated in causing clinically apparent acute liver injury with jaundice."}]