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": ""}
 4Lf Ca 8 mi W of Umpire, N of Rte 4 along western side of Cossatot River.   1988-05-17 2  HOWARD /R`S   X Naczi & B. A. Ford  v+ UNITED STATES      y ? CYPERACEAE Arkansas :la+   1389631 #@   +82[3 1918  g timida     h carex timida   carex T   robert f.c. naczi  $   POALES $$S3  
{"catalogNumber": "1389631", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex timida", "scientificNameAuthorship": "Naczi & B. A. Ford", "genus": "Carex", "subgenus": "", "specificEpithet": "timida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert F.C. Naczi", "recordNumber": "1918", "verbatimEventDate": "1988-05-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Howard", "municipality": "", "locality": "Ca 8 mi W of Umpire, N of Rte 4 along western side of Cossatot River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}