{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Spectroscopy and Structure Identification", "refinement": "This problem involves identifying an organic compound based on its molecular formula and spectral data from IR and NMR.", "specific_scope": "The task is to analyze the provided IR and NMR data to determine which of the candidate compounds corresponds to the molecular formula C8H9NO2.", "goal": "Identify the correct compound from the given candidates using the provided spectral data."}, "summary": "In this problem, we are tasked with identifying the organic compound C8H9NO2 using IR and NMR spectral data. The IR spectrum shows characteristic bands that suggest the presence of functional groups, while the NMR data provides information about the hydrogen environments in the molecule. By analyzing the data, we can determine that the correct compound is Methyl 4-aminobenzoate, as it matches the spectral characteristics and molecular formula provided."}