[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][=Branch1][C][C][C][C][N][C][Branch1][C][C][Branch1][C][C][N]"}, {"from": "gpt", "value": "The molecule appears as a colorless to light yellow liquid. Insoluble in water and less dense than water. Contact may severely irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation and skin absorption. Used to make other chemicals."}]