{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Reaction Mechanisms", "refinement": "This problem involves the identification of a final product from a series of chemical reactions starting from a compound with a specific molecular formula and NMR data.", "specific_scope": "The focus is on the transformation of a compound with the molecular formula C8H9NO through diazotization, hydrolysis, and subsequent reactions with KOH under heat.", "goal": "Determine the final organic product resulting from the specified reactions and match it with one of the given candidates."}, "summary": "This problem requires understanding organic chemistry reactions, specifically the transformation of a compound with the molecular formula C8H9NO through a series of reactions including diazotization, hydrolysis, and heating with KOH. The provided NMR data helps in deducing the structure of the starting compound and its transformations. The goal is to identify the final product from the reaction sequence and match it with one of the provided candidates."}