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": ""}
  lX populus balsamifera   81 l.   malpighiales j   tj   SALICACEAE  +* United States   K2 J.E. Eckenwalder Huron 9/z7    1x/ "foliage with balsamic odor"  Zm 196205-12 EDWARD G. VOSS *= ^      ,B michigan  eIHt# at n edge of caseville.  n  -83.266884 frequent small tree on low sand dunes y  43.953237 dG   1221902 kO   10781 leA  
{"catalogNumber": "1221902", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus balsamifera", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "Edward G. Voss", "recordNumber": "10781", "verbatimEventDate": "1962-05-12", "habitat": "frequent small tree on low sand dunes", "occurrenceRemarks": "\"Foliage with balsamic odor.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Huron", "municipality": "", "locality": "At N edge of Caseville.", "decimalLatitude": "43.953237", "decimalLongitude": "-83.266884", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}