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": ""}
  Tu united states  (BIEHLER) SCRIBN. 8       )k POALES  Sphenopholis 0UY   x D near copper creek   7] 1938-06-15   7hC KENTUCKY     sphenopholis nitida jgQ,   $ Rockatle  nitida +  >j  2641 x    . poaceae 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Sphenopholis nitida", "scientificNameAuthorship": "(Biehler) Scribn.", "genus": "Sphenopholis", "subgenus": "", "specificEpithet": "nitida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2641", "verbatimEventDate": "1938-06-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Rockcastle", "municipality": "", "locality": "Near Copper Creek", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}