{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Compound Identification", "refinement": "This problem involves the analysis of spectral data (IR and NMR) to identify an organic compound based on its molecular formula and spectral characteristics.", "specific_scope": "The task is to determine which of the given candidates corresponds to the compound with the formula C9H11NO2 using the provided IR and NMR data.", "goal": "Identify the correct compound from the list of candidates based on the spectral data provided."}, "summary": "In this problem, we are tasked with identifying an organic compound with the formula 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 the data, we can conclude that the compound is Ethyl 4-aminobenzoate, as it matches the spectral characteristics and molecular formula provided."}