[{"from": "human", "value": "Please give me some details about this molecule. [O-1][Cr][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a chromium oxoanion resulting from the removal of two protons from chromic acid. It has a role as an oxidising agent. It is a divalent inorganic anion and a chromium oxoanion. It is a conjugate base of a hydrogenchromate."}]