{"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 match the compound C9H11NO2 with one of the given candidates.", "goal": "Determine the correct structure of the compound C9H11NO2 by interpreting the spectral data and matching it with the candidates."}, "summary": "In this problem, we are tasked with identifying the organic compound C9H11NO2 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 these spectra, we can deduce the structure of the compound and match it with the provided candidates. The correct identification is ethyl 4-aminobenzoate, which aligns with the spectral data."}