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": ""}
 7J SCHOOLCRAFT EXPEDITION TO THE SOURCE OF THE MIS5IS5IPPI RIVER 1500708 *      3dd  UNITED STATES  DOUGLASS HOUHT0N &w   ,(f RANUNCULALES s.n.      abortivus     L. A  CARLTON   4;   ? !#*<  1832-06-24 ranunculaceae       MINNESOTA z),%R     -92.371|7 B-8 Y 
{"catalogNumber": "1500708", "order": "Ranunculales", "family": "Ranunculaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "abortivus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Douglass Houghton", "recordNumber": "s.n.", "verbatimEventDate": "1832-06-24", "habitat": "", "occurrenceRemarks": "Schoolcraft Expedition to the Source of the Mississippi River", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "Carlton", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-92.37117", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}