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": ""}
  $Lq+2 1403347    % z ALEUTIANS WEST   bg($ Densely tufted in sand near beach. ALASKA Z  exarata :1     e > [ united states  AGROSTIS OwZ^   ;1r Attu Island, Holtz Bay; West Am     a,3 Manybasal leaves. Blades flat. Penicle erect, closed, purplish brown. 945 mk6v    19475-08-22 h To    i POALES   i5 Agrost|s exarata Trin. @,m&&  
{"catalogNumber": "1403347", "order": "Poales", "family": "", "scientificName": "Agrostis exarata", "scientificNameAuthorship": "Trin.", "genus": "Agrostis", "subgenus": "", "specificEpithet": "exarata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "945", "verbatimEventDate": "1945-08-22", "habitat": "Densely tufted in sand near beach.", "occurrenceRemarks": "Many basal leaves. Blades flat. Penicle erect, closed, purplish brown.", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "Aleutians West", "municipality": "", "locality": "Attu Island, Holtz Bay; West Arm", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}