[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][=C][Branch1][#Branch2][N][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C]"}, {"from": "gpt", "value": "The molecule is a colorless liquid with a density of 0.913 g / cm3. Slightly soluble in water. Found in low-temperature coal tar and coal soot."}]