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": ""}
  UV ! E. MEY.   juncaceae 3|.     xb 1285647   bBh1 moist sandy ledge of rock shore (buckskin lake)   (! conc. iv Clot 18, matchedash twp. (se 1/4) 2 3/4 miles south south-west of severn falls       > 1973-09-09     M^ canada B~ Ontario    A poales  
{"catalogNumber": "1285647", "order": "Poales", "family": "Juncaceae", "scientificName": "", "scientificNameAuthorship": "E. Mey.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1973-09-09", "habitat": "Moist sandy ledge of rock shore (Buckskin Lake)", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Conc. IV Lot 18, Matchedash Twp. (se 1/4) 2 3/4 miles south south-west of Severn Falls", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}