[{"from": "human", "value": "Please give me some details about this molecule. [C][N][Branch1][C][C][C][C][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1][C][O][C][=C][\\-Ring1][O][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a relatively selective histamine H1 antagonist that inhibits the in vivo and in vitro type 1 immediate hypersensitivity reaction including inhibition of histamine induced effects on human conjunctival epithelial cells."}]