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": ""}
-83.86186 $D/Du    HO ,` 42.45415   @g[] Betulaceae  UU7% LIVINGSTON  john h. ehlers     8 betula   Michigan!Xp  BASS LAKE, NAER LAKELAND. ij  fagales |n03   pumila snG.   eS8 On islan of marl pebblkes.   5 1349488  d 5752  .@y 1934-09-30  g6 L.    BETULA PUMILA 8#  
{"catalogNumber": "1349488", "order": "Fagales", "family": "Betulaceae", "scientificName": "Betula pumila", "scientificNameAuthorship": "L.", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "5752", "verbatimEventDate": "1934-09-30", "habitat": "On island of marl pebbles.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Livingston", "municipality": "", "locality": "Bass Lake, naer Lakeland.", "decimalLatitude": "42.45415", "decimalLongitude": "-83.86186", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}