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": ""}
  united states &   I<, NEAR MINNEAPOLIS   K-Hn Ranunculus circinatus  _L AUCT. NON SIBTHORP    GS.N. vZ    grpm 50669 W    Ranunculaea3 I.fe   GEORGE B. AITON  $    cb shallows [?] Ran4unculus <q  1500001  t    3yA circinatus  & b>S MINNESOTA    ybsN Hennepin
{"catalogNumber": "1500001", "order": "", "family": "Ranunculaceae", "scientificName": "Ranunculus circinatus", "scientificNameAuthorship": "auct. non Sibthorp", "genus": "Ranunculus", "subgenus": "", "specificEpithet": "circinatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George B. Aiton", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "Shallows [?]", "occurrenceRemarks": "GRPM 50669", "associatedTaxa": "", "country": "United States", "stateProvince": "Minnesota", "county": "Hennepin", "municipality": "", "locality": "Near Minneapolis", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}