[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a viscous dark-green liquid. pH of 1% aqueous solution: 2.6-2.7. Alcoholic odor. Forms slight sludge after 3 months. "}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1].[OH1-1].[Cl-1].[Cl-1].[Cl-1].[Cl-1].[Cr+3].[Cr+3]"}]