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": ""}
  : ( MARSHALL  ONTONAGON S  9  46.9164 nu?  sorbus americana  N<  ROtSALES 9fhh   ]u FOREST EDGE,- SANDY LOAM SOIL; DOWN SLOPE EROM ROAD; W/ ACER SPICATUM, CLINTONIA BOREALIS, LYCOPODIUM.   b 1471009 ruth b. (alford) macfarlane bnx   MICHIGAN (     /WE Rosaceae    X1  4670   n.+ Sorbvs    wl united states  -89.19713 lS  ontonagon twp. e end of lake shore drive, almost to lk superior, ca. 7-1/2 mine of ontonagon. sec. 12, t52n, r39w.  :=15    ( 1984-09-19  U_ AMERICANA 
{"catalogNumber": "1471009", "order": "Rosales", "family": "Rosaceae", "scientificName": "Sorbus americana", "scientificNameAuthorship": "Marshall", "genus": "Sorbus", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ruth B. (Alford) MacFarlane", "recordNumber": "4670", "verbatimEventDate": "1984-09-19", "habitat": "Forest edge, sandy loam soil; down slope from road; w/ Acer spicatum, Clintonia borealis, Lycopodium.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ontonagon", "municipality": "", "locality": "Ontonagon Twp. E end of Lake Shore Drive, almost to Lk Superior, ca. 7-1/2 mi NE of Ontonagon. Sec. 12, T52N, R39W.", "decimalLatitude": "46.9164", "decimalLongitude": "-89.19713", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}