[{"from": "human", "value": "Please give me some details about this molecule. [C][C@H1][C@H1][Branch2][=Branch1][Branch1][C@H1][Branch2][Branch1][S][C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C][C@@][Branch2][Ring2][=Branch2][C][C][=C][Ring1][=Branch1][C][=Branch2][Ring1][#C][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][=Branch2][=O][C][=Branch1][=Branch1][=C][C][=C][Ring1][Branch2][O][C][O][Branch1][#Branch1][C][=Branch1][C][=O][C][O][O][N][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1].[Cl]"}, {"from": "gpt", "value": "The molecule is a novel anthracycline derivative that crosses the blood-brain barrier and shows significant potential for the treatment of primary and metastatic brain cancers. Anthracyclines are one of the most broadly used and effective classes of cancer therapies; however, they are not used to treat brain cancers because current therapies do not cross the blood-brain barrier."}]