[{"from": "human", "value": "What can you tell me about this molecule? [C][N][C][=N][C][=C][Ring1][Branch1][C@@][Branch1][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][Branch2][Ring2][Ring1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][Branch2][Ring1][Ring2][C][=Branch1][C][=O][C][=C][Ring1][=Branch2][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][Cl][C][N]"}, {"from": "gpt", "value": "The molecule is a substance that is being studied in the treatment of acute myeloid leukemia (AML) and other types of cancer. It belongs to the family of drugs called farnesyltransferase inhibitors. It is also called Zarnestra. In June 2005, the FDA issued a Not Approvable Letter for Zarnestra."}]