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": ""}
  6B United States  Brewster S   X&f1! texas   pjc Piptochaetium  tZ  1931-06-17 C. H. MUELLER iu $N   Poales L=W   Piptochaetium fimbriatum kea3     fmbriatum o.[:   ^? POACEAE 1420723 s&m8)   n7948a y S   MHA  CHISOS MTS (Kunth) A.S. Hitchc. cZ      
{"catalogNumber": "1420723", "order": "Poales", "family": "Poaceae", "scientificName": "Piptochaetium fimbriatum", "scientificNameAuthorship": "(Kunth) A.S. Hitchc.", "genus": "Piptochaetium", "subgenus": "", "specificEpithet": "fimbriatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. H. Mueller", "recordNumber": "7948a", "verbatimEventDate": "1931-06-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Chisos Mts", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}