[{"from": "human", "value": "What can you tell me about this molecule? [C][C@@H1][C][C][N][Branch2][Ring1][=C][C][C][N][Ring1][#Branch1][C][=Branch1][C][=O][C][=C][Branch1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][N][N][=C][C][=N][Ring1][Branch1][C][=N][C][=C][Branch1][Ring2][O][Ring1][Branch1][C][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][Cl]"}, {"from": "gpt", "value": "The molecule is a selective dual antagonist of orexin receptors OX1R and OX2R that promotes sleep by reducing wakefulness and arousal. It has been approved for the treatment of insomnia."}]