[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=N][C][=Branch2][Ring2][O][=N][C][=C][Ring1][=Branch1][O][C][C@][Branch2][Ring1][Branch1][C][C@H1][Ring1][Ring1][C][=Branch1][C][=O][N][C][=N][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][F][C][=C][C][=Branch1][=Branch1][=C][C][=C][Ring1][=Branch1][F][C]"}, {"from": "gpt", "value": "The molecule is an orexin receptor antagonist used for the treatment of insomnia and sleep disorders. Lemborexant therapy is associated with rare occurrence of transient serum enzyme elevations, but has not been implicated in cases of clinically apparent liver injury."}]