[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][N][Ring1][Ring1][P][=Branch1][C][=S][Branch1][=Branch1][N][C][C][Ring1][Ring1][N][C][C][Ring1][Ring1]"}, {"from": "gpt", "value": "The molecule is a cancer chemotherapeutic member of the alkylating agent group, now in use for over 50 years. It is a stable derivative of N,N',N''- triethylenephosphoramide (TEPA). It is mostly used to treat breast cancer, ovarian cancer and bladder cancer. It is also used as conditioning for Bone marrow transplantation. Its main toxicity is myelosuppression."}]