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": ""}
 potentilla norvegica de=       N.W corner of 3rd Sister Lake, Saginaw Forest, Ann Arbor -     F4R WILLIAM S. BENNINGHOFF  1962-07-03  Il(  michigan @%W]  NORVEGICA  (w  42.275954 Em&y   10770  PW4      L potentilla      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Potentilla norvegica", "scientificNameAuthorship": "", "genus": "Potentilla", "subgenus": "", "specificEpithet": "norvegica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William S. Benninghoff", "recordNumber": "10770", "verbatimEventDate": "1962-07-03", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "N.W. corner of 3rd Sister Lake, Saginaw Forest, Ann Arbor", "decimalLatitude": "42.275954", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}