[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C@@H1][Branch2][Ring1][=Branch1][C@H1][Branch1][P][O][C@H1][Ring1][Branch1][N][C][=C][Branch1][#Branch1][C][=N][C][Ring1][=Branch1][=O][I][C][O][O]"}, {"from": "gpt", "value": "The molecule is a novel, orally available, thymidine analogue and prodrug for IUdR, which demonstrated a survival advantage in Phase II studies in anaplastic astrocytoma, a type of brain tumor."}]