Refactor the unstructured text into a valid JSON dictionary. The key names follow the Darwin Core Archive Standard. If a key lacks content, then insert an empty string. Fill in the following JSON structure as required: {"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}
 FEJ walter n. koelz       (Willd.) O. W. Knight vz?`    + -82.26667    4057 Y^@     PROVIDENCE BAY J   Dry shade R&mW   ?>%tZ pubescens    1932-07-16 =  1493693 jj_6    oel parvifloum  
{"catalogNumber": "1493693", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "(Willd.) O. W. Knight", "genus": "", "subgenus": "", "specificEpithet": "parviflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "pubescens", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "4057", "verbatimEventDate": "1932-07-16", "habitat": "Dry shade", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Providence Bay", "decimalLatitude": "", "decimalLongitude": "-82.26667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}