[{"from": "human", "value": "What can you tell me about this molecule? [C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule appears as colorless yellowish or reddish liquid with odor of wintergreen. (USCG, 1999)"}]