[{"from": "human", "value": "Describe this molecule. [C][=Branch1][#Branch1][=C][\\C][=Branch1][C][=O][O][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a colorless crystalline solid having a faint odor. It is combustible though it may take some effort to ignite. It is soluble in water. It is used to make other chemicals and for dyeing and finishing naturally occurring fibers."}]