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": ""}
  oregon -PFU   t Carex mertensii     r United States   vkH  LANE  qIG 1932-06-26  4 prescott ex bong.       *ZO 1378656  8)B mertensii     14N558 mckenzie highway. l   Louis F. Henderson      CYPERACEAE &b   Carex <R 
{"catalogNumber": "1378656", "order": "", "family": "Cyperaceae", "scientificName": "Carex mertensii", "scientificNameAuthorship": "Prescott ex Bong.", "genus": "Carex", "subgenus": "", "specificEpithet": "mertensii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis F. Henderson", "recordNumber": "14558", "verbatimEventDate": "1932-06-26", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oregon", "county": "Lane", "municipality": "", "locality": "McKenzie Highway.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}