[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][N].[Cl].[Cl]"}, {"from": "gpt", "value": "The molecule appears as brownish-yellow crystals. Slightly soluble in water. Used in the manufacture of dye."}]