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": ""}
r  = williamson school   Cyperace4e Vj    7 yQk 2233  1Ubh R. R. Dreisbach  pauciflora |+!6  PAUCIFLORA M   t UNITED STATES delaware u(-4C     $1 rd 1402684  scleria pauciflora var. paucif|ora  V .2  SCLERIA P      z pennsylvania  % VW poales   9bgd_ 1924-06-29  ditch in field, serpentine barrens ~ 
{"catalogNumber": "1402684", "order": "Poales", "family": "Cyperaceae", "scientificName": "Scleria pauciflora var. pauciflora", "scientificNameAuthorship": "", "genus": "Scleria", "subgenus": "", "specificEpithet": "pauciflora", "verbatimTaxonRank": "", "infraspecificEpithet": "pauciflora", "identifiedBy": "", "recordedBy": "R. R. Dreisbach", "recordNumber": "2233", "verbatimEventDate": "1924-06-29", "habitat": "Ditch in field, serpentine barrens", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Pennsylvania", "county": "Delaware", "municipality": "", "locality": "Williamson School", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}