[{"from": "human", "value": "Provide a description of this molecule. [C][C][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2]"}, {"from": "gpt", "value": "The molecule appears as a colorless liquid derived from coal tar. Fp: -2 \u00b0C; bp:182 \u00b0C. Density 0.997 g cm-3. Insoluble in water but soluble in organic solvents."}]