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": ""}
   IXb T malvaceae     ?H americana -83.686702 MLnLM  occasional tree ]     nps_ TILIA   C 1335853 1337 h!4    O    UNITED STATES  ? 46.020224  E@h Drummond Island  @P 1984-07-10   = TILIA AMERICANA  j IN MOIST ACER-FAGUS WOODS     john v. freudenstein  1TmQK L. chippewa j| 
{"catalogNumber": "1335853", "order": "", "family": "Malvaceae", "scientificName": "Tilia americana", "scientificNameAuthorship": "L.", "genus": "Tilia", "subgenus": "", "specificEpithet": "americana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "1337", "verbatimEventDate": "1984-07-10", "habitat": "in moist Acer-Fagus woods", "occurrenceRemarks": "occasional tree", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Chippewa", "municipality": "", "locality": "Drummond Island", "decimalLatitude": "46.020224", "decimalLongitude": "-83.686702", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}