[{"from": "human", "value": "Describe this molecule. [C][C][C][C][Branch1][=Branch2][O][C][Branch1][Ring2][O][Ring1][=Branch1][C][O][C][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a clear light yellow to light amber slightly viscous liquid with a mustard-like odor. "}]