[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][Branch2][=C][C][=C][Ring1][=Branch1][N][N][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a orange-red leaflet or needles wetted with water. It will emit toxic oxides of nitrogen when heated to decomposition. It is slightly heavier than water and insoluble in water. It may be irritating to skin, eyes and mucous membranes. It may be toxic by ingestion. It may be explosive and sensitive to friction in the dry state. It is used as a reagent for ketones and aliphatic aldehydes."}]