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": ""}
   j CAREX   n_ United States  Cyperaceae FK,   1396842 J 6 ?      O Poales Alaska %    1949-07-13 9zQg     24fkHk Carex myosuroides  vill. 4_N;   x/ myosuroides     Uf  louis h. jordal 
{"catalogNumber": "1396842", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex myosuroides", "scientificNameAuthorship": "Vill.", "genus": "Carex", "subgenus": "", "specificEpithet": "myosuroides", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Louis H. Jordal", "recordNumber": "", "verbatimEventDate": "1949-07-13", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}