[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch1][#Branch2][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][C][O][C][C][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C@H1][Branch2][Ring2][Ring2][C][C@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][=Branch1][C][Branch1][C][C][C][N][C][C][C][N][C][Ring1][=Branch1][=O][O]"}, {"from": "gpt", "value": "The molecule is a peptidomimetic HIV protease inhibitor that retains activity against HIV protease with the Val 82 mutation. Lopinavir is less affected by binding to serum proteins than the structurally-related drug ritonavir."}]