[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=N][C][=C][Branch1][Ring2][N][Ring1][Branch1][C][=Branch1][C][=S][N][=C][Branch1][Ring2][N][Ring1][Branch2][N]"}, {"from": "gpt", "value": "The molecule has antimetabolite action. The drug is used in the therapy of acute leukemia. "}]