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": ""}
  u ALONG RT. 54; ABOUT 4.7 MILES EAST OF BLACK RIVER FALLS.     1993-06-04 4D   UNITED STATES  t_!Y   6 j4ckson  eST4 93-630       1363959 UD,V    POALES )  Carex kN,  CAREX BLANDA >yKs   D3!  cyperaceae vern e. mcneilus :x     
{"catalogNumber": "1363959", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex blanda", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Vern E. McNeilus", "recordNumber": "93-630", "verbatimEventDate": "1993-06-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Jackson", "municipality": "", "locality": "Along Rt. 54; about 4.7 miles east of Black River Falls.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}