[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is the inorganic compound with the formula ZnSO4 and historically known as \"white vitriol\". It is on the World Health Organization's List of Essential Medicines, a list of the most important medication needed in a basic health system."}, {"from": "gpt", "value": "[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Zn+2]"}]