[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][/C][=Branch1][#Branch2][=C][\\C][N][C][C][C][C][Ring1][Branch1][/C][=C][C][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][/C][=C][/C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a Histamine-1 Receptor Antagonist. The mechanism of action of acrivastine is as a Histamine H1 Receptor Antagonist."}]