[{"from": "human", "value": "Provide a brief overview of this molecule. [C][NH1+1][C][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][O][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1].[Cl-1]"}, {"from": "gpt", "value": "The molecule is the hydrochloride salt of diphenylpyraline. A sedating antihistamine, it is used as the hydrochloride for the symptomatic relief of allergic conditions including rhinitis and hay fever, and in pruritic skin disorders. It has a role as a cholinergic antagonist and a H1-receptor antagonist. It contains a diphenylpyraline."}]