[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch1][Branch2][C][=C][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][N][C@@H1][Branch1][O][C][S][C][=C][C][=C][C][=C][Ring1][=Branch1][C@@H1][Branch2][Ring1][=N][C][N][C][C@H1][C][C][C][C][C@H1][Ring1][=Branch1][C][C@H1][Ring1][#Branch2][C][=Branch1][C][=O][N][C][Branch1][C][C][Branch1][C][C][C][O].[C][S][=Branch1][C][=O][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the mesylate salt form of nelfinavir, a synthetic antiviral agent that selectively binds to and inhibits human immunodeficiency virus (HIV) protease. Nelfinavir has activity against HIV 1 and 2."}]