[{"from": "human", "value": "What can you tell me about this molecule? [C][N][Branch1][=Branch2][C][C][C][C][=Branch1][C][=O][O][N][=O]"}, {"from": "gpt", "value": "The molecule is a nitrosamine that has methyl and 3-carboxypropyl substituents. It is a tobacco-derived nitrosamino acid that is a known animal and potential human carcinogen. It induces bladder transitional cell carcinomas in rats and has recently been identified as a contaminant in certain blood pressure medications. It has a role as a carcinogenic agent, a rat metabolite, a xenobiotic metabolite and a plant metabolite. It is a monocarboxylic acid and a nitrosamine."}]