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": ""}
   ~9y 2 EXSERTA  8kDp 186    (rydb.) gentry 4Vc:r  DALEA =iB[3   d  r. g0nzã¡lez t.  R. BARNEBY  _   am 9& 1971-03-20     PIK2~ FABACEAE    Fabales oHS   Dalea exserta 60_   &. CONTACT UM HERBARIUM   
{"catalogNumber": "", "order": "Fabales", "family": "Fabaceae", "scientificName": "Dalea exserta", "scientificNameAuthorship": "(Rydb.) Gentry", "genus": "Dalea", "subgenus": "", "specificEpithet": "exserta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "R. Barneby", "recordedBy": "R. Gonz\u00c3\u00a1lez T.", "recordNumber": "186", "verbatimEventDate": "1971-03-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}