[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][N][Branch2][Ring2][Branch2][C][C][=C][Ring1][=Branch1][C][=C][Branch2][Ring1][=N][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][F][N][C][C@@H1][Branch1][=Branch1][O][C][Ring1][Branch1][=O][C][O][C][=N][O][C][=C][Ring1][Branch1][F][C][=Branch1][C][=O][C@H1][Branch1][Ring1][C][O][O]"}, {"from": "gpt", "value": "The molecule is an oxazolidinone antibiotic. In July 2002, after completion of phase I trials in December 2001, AstraZeneca announced that they were no longer pursuing the development of Posizolid, presumably due to negative trial results (though no results were reported)."}]