[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1].[Cl]"}, {"from": "gpt", "value": "The molecule is a hydrochloride salt consisting of equimolar amounts of cyclizine and hydrogen chloride. It has a role as a H1-receptor antagonist, a central nervous system depressant, a cholinergic antagonist and an antiemetic. It contains a cyclizine."}]