[{"from": "human", "value": "Describe this molecule. [C][N][Branch1][C][C][C][C][O][C][=Branch1][C][=O][C][=C]"}, {"from": "gpt", "value": "The molecule appears as a colorless to light yellow liquid with an acrid odor. Insoluble in water and floats on water. Irritates the eyes and produces tears."}]