[{"from": "human", "value": "Describe this molecule. [C][O][C][=N][C][=Branch2][Ring1][N][=N][C][=C][Ring1][=Branch1][N][=C][N][Ring1][Branch1][C@H1][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][N]"}, {"from": "gpt", "value": "The molecule is an antineoplastic agent that is typically employed to treat acute T-cell lymphoblastic leukemia. Nelarabine is a purine nucleoside analog converted to its corresponding arabinosylguanine nucleotide triphosphate (araGTP), resulting in inhibition of DNA synthesis and cytotoxicity."}]