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": ""}
  alaska P$]    U6 $ arctica  f nD Amchitka Island    x0j  Poales  1 A   Poa   +Xs r. br.  poaceae a.  1421148 (7    >yxQt 7566       aleutians west +ow    t1q M united states hansford t. shacklette >Fi  
{"catalogNumber": "1421148", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "R. Br.", "genus": "Poa", "subgenus": "", "specificEpithet": "arctica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hansford T. Shacklette", "recordNumber": "7566", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "Aleutians West", "municipality": "", "locality": "Amchitka Island", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}