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": ""}
   + 6 1429763 1935-06-22 )?%)  S.N. y7G U  j. f. b. mellett3 K (me    E10 South Dakota    t DICHANTHELIUM LEIBERGII    POACEAE L[    TN LEIBERGII united states  GXxl   (Vasey) Freckmann   -m    :^2kD stanley Dichanthelium  $    & Poales  SANDY PRAIRIE, HILLS SOUTH OF FT. PIERRE, S. D. gS@/  
{"catalogNumber": "1429763", "order": "Poales", "family": "Poaceae", "scientificName": "Dichanthelium leibergii", "scientificNameAuthorship": "(Vasey) Freckmann", "genus": "Dichanthelium", "subgenus": "", "specificEpithet": "leibergii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. F. B. Mellette", "recordNumber": "s.n.", "verbatimEventDate": "1935-06-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Dakota", "county": "Stanley", "municipality": "", "locality": "sandy prairie, hills south of Ft. Pierre, S. D.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}