{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Spectroscopy", "refinement": "This problem involves interpreting 1H NMR (nuclear magnetic resonance) data to identify the structure of an organic molecule.", "specific_scope": "The focus is on analyzing the chemical shifts, splitting patterns, and integration of the NMR signals to deduce the molecular structure and identify the compound from a list of candidates.", "goal": "Determine the correct structure of the organic molecule based on the provided 1H NMR data."}, "summary": "This problem requires the interpretation of 1H NMR data to identify an unknown organic molecule. The key aspects include analyzing the chemical shifts, splitting patterns, and integration of the signals to deduce the structure. The provided data suggests the presence of specific functional groups and coupling patterns that lead to the conclusion that the compound is Trans-propenyl acetate. Understanding the relationship between NMR signals and molecular structure is crucial for solving this type of problem."}