[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch1][Ring1][C][Cl][N][C][C@H1][Branch2][Ring1][C][C@H1][Branch1][=C][C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][N][C][C][Cl][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a nitrogen mustard derivative that cross-links with DNA, causing inhibition of DNA synthesis. It may be used to treat certain cancers, but may cause a higher incidence of leukemia and a dose-related incidence of lung tumors in animals. (NCI)"}]