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": ""}
 ^  YB eleocharis  [  1566980     sOIg canada 2 milles au nord =fk;   b. boivin rqM     1958-06-12 M8 o     12026 2h^   N SWIFT CURRENT   MACROSTACHYA oR       
{"catalogNumber": "1566980", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Eleocharis", "subgenus": "", "specificEpithet": "macrostachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "B. Boivin", "recordNumber": "12026", "verbatimEventDate": "1958-06-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Swift Current", "municipality": "", "locality": "2 milles au nord", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}