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": ""}
   william a. silveus B03  POALES E;%   ;P ARISTIDAPURPURASCENS   purpurascens 4   >l MONROE  ZgG!% poaceae  Poir. j  aristida bv   /8$)1 5269 1939-10-01 W iXD       sUxO FLORIDA  V UNITED STATES  KEYS +Oo `    `;tG 1405630 
{"catalogNumber": "1405630", "order": "Poales", "family": "Poaceae", "scientificName": "Aristida purpurascens", "scientificNameAuthorship": "Poir.", "genus": "Aristida", "subgenus": "", "specificEpithet": "purpurascens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William A. Silveus", "recordNumber": "5269", "verbatimEventDate": "1939-10-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Monroe", "municipality": "", "locality": "Keys", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}