[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][C][C][C][C@@H1][Branch1][=N][C][=Branch1][C][=O][C@][Branch1][Branch1][C][O][Ring1][Ring1][C][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C][N][C][C][O][C][C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is an irreversible proteasome inhibitor and antineoplastic agent that is used in treatment of refractory multiple myeloma. Carfilzomib is associated with a low rate of serum enzyme elevations during treatment and has been implicated to rare instances of clinically apparent, acute liver injury some of which have been fatal."}]