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": ""}
 1931-07-28 c/Uz   S a D Brewster  BOUGTELOUA r  POALES D    = Poaceae   y eriopoda   SFLGL chisos mts.    DjvQ (torr.) torr.    jU cornelius h. mueller    1406673 psQa    UN|TED STATES O   L$ 7883  P[ . texas
{"catalogNumber": "1406673", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "(Torr.) Torr.", "genus": "Bouteloua", "subgenus": "", "specificEpithet": "eriopoda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cornelius H. Mueller", "recordNumber": "7883", "verbatimEventDate": "1931-07-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brewster", "municipality": "", "locality": "Chisos Mts.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}