[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][O][C][C][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O].[C][Branch1][#Branch2][C][C][C][C][C][=Branch1][C][=O][O][C][C][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is under investigation in clinical trial NCT00003878 (Carmustine Implants in Treating Patients With Brain Metastases)."}]