[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule appears as a solution containing less than 40% by mass of the white crystalline solid in a nonvolatile solvent. Dilution moderates reactivity of the pure solvent. Irritating to the skin, eyes and mucous membranes."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]