[{"from": "human", "value": "Describe this molecule. [C][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][C][=Branch2][Ring1][Ring2][=C][C][=C][C][=C][Branch1][#Branch1][C][Ring1][=Branch1][=N][Ring1][=N][C][=Branch1][C][=O][N][C][N][C][=C][Branch2][Ring1][C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][S][=Branch1][C][=O][=Branch1][C][=O][C][O][C].[C][Branch1][#Branch2][C][S][=Branch1][C][=O][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is the isethionate salt of an amsacrine analogue with antineoplastic properties. Asulacrine inhibits the enzyme topoisomerase ll, thereby blocking DNA replication and RNA and protein synthesis."}]