[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][=Branch1][C][=O][N][C][C][C@@H1][C][C][C][=C][Ring1][Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is the first in a new class of sleep agents that selectively binds to the melatonin receptors in the suprachiasmatic nucleus (SCN). It is used for insomnia, particularly delayed sleep onset. Ramelteon has not been shown to produce dependence and has shown no potential for abuse."}]