[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][#Branch1][=C][C][=C][Ring1][=Branch1][O][O]"}, {"from": "gpt", "value": "The molecule appears as light colored crystals or solutions. May irritate the skin, eyes and mucous membranes. Mildly toxic by ingestion or skin absorption."}]