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": ""}
  B= RANDALL lag.  LtT  SIMPLEX _4  POACEAE GhUL   poales _XN>E   populus-salix-prosopis community | sandy soil  4  T3XAS W    =: 1406928   united states tJZ   4872 0  LARRY C. HIGGINS IUB   bouteloua 9Z    v[[ 1971-09-04 Ceta Canyon 13mi. SE of Canyon. 1      r50^l bouteloua simplex
{"catalogNumber": "1406928", "order": "Poales", "family": "Poaceae", "scientificName": "Bouteloua simplex", "scientificNameAuthorship": "Lag.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "simplex", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Larry C. Higgins", "recordNumber": "4872", "verbatimEventDate": "1971-09-04", "habitat": "Populus-Salix-Prosopis community | Sandy soil", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Randall", "municipality": "", "locality": "Ceta Canyon 13 mi. SE of Canyon.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}