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": ""}
 D=k 1991-07-08  [=Nu borealis   nl@~ ANTON A. REZNICEK  -86.66683 Jdu       Michigan EN3   46.51661 n     :69 Alger  3O8 1472440     _ subsp.   8820 vd     
{"catalogNumber": "1472440", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "borealis", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "8820", "verbatimEventDate": "1991-07-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Alger", "municipality": "", "locality": "", "decimalLatitude": "46.51661", "decimalLongitude": "-86.66683", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}