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": ""}
 %E HANSFORD T. SHACKLETTE   x@  -118.033333  CAREX i(YvM    8ApT northwest territories   CANADA ,p  poales GK L/  2734 tp-;      ~ Carex supina   z ,q CYPERACEAE      , 1388875   4! 1948-07-01 Sahtu Region ?X/l  
{"catalogNumber": "1388875", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex supina", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hansford T. Shacklette", "recordNumber": "2734", "verbatimEventDate": "1948-07-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Northwest Territories", "county": "Sahtu Region", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-118.033333", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}