[{"from": "human", "value": "Could you provide a description of this molecule? [C][N][C][C][N][C][Branch1][Ring2][C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][=C][Ring1][N][N][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a tetracyclic piperazino-azepine antidepressant agent that was initially approved for the treatment of major depressive disorder (MDD) in the Netherlands in 1994. This drug was first manufactured by Organon Inc., and received FDA approval in 1997 for the treatment of major depressive disorder. The effects of this drug may be observed as early as 1 week after beginning therapy.  In addition to its beneficial effects in depression, mirtazapine has been reported to be efficacious in the off-label management of various other conditions.  It may improve the symptoms of neurological disorders, reverse weight loss caused by medical conditions, improve sleep, and prevent nausea and vomiting after surgery."}]