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": ""}
  L. w   O 45.5809488889 john h. ehlers NWg.  1520  BMh9   Q^ FAGALES QUERCUS RUBRA     cheboygan f[Bwt        EXfP* -84.6962611111  Cr quercus UNITED STATES #<)  FAGACEAE _[f-     r1 Michigan 1921-06-27 f    Sandy soil - amog aspens. w-   
{"catalogNumber": "", "order": "Fagales", "family": "Fagaceae", "scientificName": "Quercus rubra", "scientificNameAuthorship": "L.", "genus": "Quercus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1520", "verbatimEventDate": "1921-06-27", "habitat": "Sandy soil - among aspens.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "", "decimalLatitude": "45.5809488889", "decimalLongitude": "-84.6962611111", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}