You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule has Odorless, no distinctive odor. When heated to decomposition it emits toxic fumes of potassium oxide. The molecule has Bitter, metallic taste. Please write the SMILES representation of it.
user
O=[Cr](=O)([O-])O[Cr](=O)(=O)[O-].[K+].[K+]
assistant