[{"from": "human", "value": "Provide a description of this molecule. [O].[O].[O-1][Cr][=Branch1][C][=O][=Branch1][C][=O][O-1].[Ca+2]"}, {"from": "gpt", "value": "The molecule is a bright yellow powder. Loses water at 392 \u00b0F (200 \u00b0C)."}]