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": ""}
Keweenaw ;w  O  Acer rubrum var&. rubrum Nh      ` 7/ F.E. WOOD  OvFc var.  ? michigan S.N.  7e  WILLIAM H. ELLIS `  UNITED STATES w  P7    47.371851 3tVu   ]I7   rubrum  [  R "LATE." sapindales JZ     R:US; acer   4 GLIFTON  HV e rubrum -88.313237  :   b  1883-06  1333345 A| 
{"catalogNumber": "1333345", "order": "Sapindales", "family": "", "scientificName": "Acer rubrum var. rubrum", "scientificNameAuthorship": "", "genus": "Acer", "subgenus": "", "specificEpithet": "rubrum", "verbatimTaxonRank": "var.", "infraspecificEpithet": "rubrum", "identifiedBy": "William H. Ellis", "recordedBy": "F.E. Wood", "recordNumber": "s.n.", "verbatimEventDate": "1883-06", "habitat": "", "occurrenceRemarks": "\"Late.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Clifton", "decimalLatitude": "47.371851", "decimalLongitude": "-88.313237", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}