[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][O][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][N][Branch1][Ring2][C][C][Cl][C][C][=C][C][=C][C][=C][Ring1][=Branch1].[Cl]"}, {"from": "gpt", "value": "The molecule is a white crystalline powder. Melting point 137.5-140 \u00b0C. Used as an antihypertensive drug."}]