[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an odorless yellow solid. Sinks in water. (USCG, 1999)"}, {"from": "gpt", "value": "[O-1][Cr][=Branch1][C][=O][=Branch1][C][=O][O-1].[Zn+2]"}]