[{"from": "human", "value": "Provide a description of this molecule. [C][C][N][Branch1][Ring1][C][C][C][C][C][C][Branch1][C][C][N][C][=C][C][=C][Branch2][Ring1][Ring2][C][=C][C][Ring1][=Branch1][=N][C][=C][Ring1][#Branch2][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][O][C].[Cl].[Cl]"}, {"from": "gpt", "value": "The molecule appears as bright yellowish needles or bright yellow powder. Odorless. pH of a 1% aqueous solution is about 4.5.. Used as an anti-malarial drug. Moderately toxic."}]