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": ""}
   %f United States    6tk JOH H. EHLERS  ASTERALES aaT    AMBROSIA K 1      -84.6807 1Xmd    DOs  1249773 Colonial Point Burt Lake, Y   s 7 trifida   (e`M  1932-08-09 5221 &   Cheboygan (% j   
{"catalogNumber": "1249773", "order": "Asterales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Ambrosia", "subgenus": "", "specificEpithet": "trifida", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "5221", "verbatimEventDate": "1932-08-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "Colonial Point Burt Lake,", "decimalLatitude": "", "decimalLongitude": "-84.6807", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}