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": ""}
   1959-10-17 L=!  CAV. YB)Q  OCCASIONAL SUB-SHRUB FROM MEDIUM TO WOODY ROOT a*    CROTON DIOICUS s:oZ   5880 %a_ $      dioicus |Q-         5! croton Gypsum crystals frequent in sands, Dominant vget4tion of Yucca, Salsola, and grasses P   1[C Chester M. Rowell   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Croton dioicus", "scientificNameAuthorship": "Cav.", "genus": "Croton", "subgenus": "", "specificEpithet": "dioicus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Chester M. Rowell", "recordNumber": "5880", "verbatimEventDate": "1959-10-17", "habitat": "Gypsum crystals frequent in sands, Dominant vegetation of Yucca, Salsola, and grasses", "occurrenceRemarks": "Occasional sub-shrub from medium to woody root", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}