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": ""}
  [ 168  PO<TENTILLA )B0      m  rosaceae   z  greenland   etah WYDNM  1502184 jOv=0     potentilla nivea @3   walter n. koelz 0,   rNO$ no data  ! rosales  ON THE MOUNTAIN SLOPE     -# qaasuitsup   ( x/ NIVEA 1925-08-07  -cCv   l. 9T a0W 
{"catalogNumber": "1502184", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla nivea", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "nivea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "168", "verbatimEventDate": "1925-08-07", "habitat": "On the mountain slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Greenland", "stateProvince": "Qaasuitsup", "county": "no data", "municipality": "", "locality": "Etah", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}