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": ""}
   .5w 1998-05-28    schkuhr ex wlld. :I I    z ca 4 mi e of hillsboro, along n side of route 1013, ca 0.2 mi n of newman cemetery.   `SwZ 7344               ,l 38â° 17' 03" n 83â° 35' 38" w   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Schkuhr ex Willd.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7344", "verbatimEventDate": "1998-05-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Ca 4 mi E of Hillsboro, along N side of Route 1013, ca 0.2 mi N of Newman Cemetery.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "38\u00c2\u00b0 17' 03\" N 83\u00c2\u00b0 35' 38\" W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}