[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch2][Ring1][Ring1][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=N][O][C][=Branch1][Ring2][=N][Ring1][Branch1][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][C][=C][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][Ring1][=Branch2][C][Branch1][O][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][C][O][Ring1][=N].[Cl]"}, {"from": "gpt", "value": "The molecule is a hydrochloride that is the monohydrochloride salt of SB 224289. Selective 5-HT1B receptor antagonist (pKi = 8.2). Displays >60-fold selectivity over 5-HT1D, 5-HT1A, 5-HT1E, 5-HT1F, 5-HT2A and 5-HT2C receptors in radioligand binding and functional assays. Centrally active following oral administration in vivo. It has a role as a prodrug and a serotonergic antagonist. It contains a SB 224289(1+)."}]