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": ""}
carlton :b=   LB-6N 1500708  ranunculaceae YVEw   8 R@! RAUNCULUS ABORTIVUS  Douglass Houghton 4-mrq   y;~  damp woods   i)Ranunculus  s.n. .OC    83 schoolcraft expedition to the source of the mississippi river  Grand Portage, St. Louis River of Lake Superior (More preciselyo, the Grand Portage extended from about 1.5 miles above Fond-du-lac to the lower end of Maple Island, about a mile below Scanlon) KuM  l. katp    (>=]YMINNESOTA 46.6537      A( United States  -92.37117 vS`q      p,h 1832-06-24   8 -.x ABORTIVUS
{"catalogNumber": "1500708", "order": "", "family": "Ranunculaceae", "scientificName": "Ranunculus abortivus", "scientificNameAuthorship": "L.", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "abortivus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1832-06-24", "habitat": "Damp woods", "occurrenceRemarks": "Schoolcraft Expedition to the Source of the Mississippi River", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "Carlton", "municipality": "", "locality": "Grand Portage, St. Louis River of Lake Superior (More precisely, the Grand Portage extended from about 1.5 miles above Fond-du-lac to the lower end of Maple Island, about a mile below Scanlon)", "decimalLatitude": "46.6537", "decimalLongitude": "-92.37117", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}