[{"from": "human", "value": "Provide a description of this molecule. [C][=Branch1][Ring1][=C][/Cl][\\Cl]"}, {"from": "gpt", "value": "The molecule is one of two isomers of 1,2-dichloroethene. It is a highly flammable, colorless liquid with a sharp, harsh odor. 1,2-DCE is used as a solvent for waxes, resins, acetylcellulose, perfumes, dyes, lacquers, thermoplastics, fats, and phenols. It is also used as an intermediate in the preparation of other chlorinated solvents. (L585, L586)"}]