[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][Branch1][Ring1][C][C][O][C@@H1][C][=C][Branch1][#C][C][C@@H1][Branch1][#Branch2][C@H1][Ring1][=Branch1][N][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][O][C][C].[O][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is the phosphate salt of oseltamivir, a synthetic derivative prodrug of ethyl ester with antiviral activity. By blocking neuraminidases on the surfaces of influenza viruses, oseltamivir interferes with host cell release of complete viral particles."}]