[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][N][Branch1][=Branch2][C][C][C][C][=Branch1][C][=O][O][N][=O]"}, {"from": "gpt", "value": "The molecule is a nitrosamine that has butyl and 4-carboxybutyl substituents. It is the principal metabolite of the bladder carcinogen N-butyl-N-(4-hydroxybutyl)nitrosamine (BHBN-4). It has a role as a carcinogenic agent. It is a nitrosamine and a monocarboxylic acid. It is functionally related to a N-butyl-N-(4-hydroxybutyl)nitrosamine."}]