[{"from": "human", "value": "Describe this molecule. [C][C][C][N][Branch1][Ring2][C][C][C][N][=O]"}, {"from": "gpt", "value": "The molecule is a chemical produced by industry in small amounts for research. It is a yellow liquid at room temperature. Small amounts of n-nitrosodi-n-propylamine are produced as a side reaction during some manufacturing processes, as a contaminant in some weed killers, and during the manufacture of some rubber products."}]