[{"from": "human", "value": "Please give me some details about this molecule. [C][N][Branch1][C][C][C][C][N][Branch1][=Branch2][C][C][=C][S][C][=C][Ring1][Branch1][C][=C][C][=C][C][=N][Ring1][=Branch1].[Cl]"}, {"from": "gpt", "value": "The molecule is a white powder with a bitter taste. Melting point 169.5-170 \u00b0C. Used as an antihistamine."}]