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": ""}
 K _ Edward G. Voss  BALSAMIFERA        SALICACEAE Pze  UNITED STNATES y%u<  "frequent tree." 5W `     asXB Middle Island  1KS 1972-07-14  ijm populus 45.192515 IE!X   L. >I<O(     n r j.e. eckenwalder 1221935 u3       RP alpena
{"catalogNumber": "1221935", "order": "", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Populus", "subgenus": "", "specificEpithet": "balsamifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "Edward G. Voss", "recordNumber": "", "verbatimEventDate": "1972-07-14", "habitat": "", "occurrenceRemarks": "\"frequent tree.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Alpena", "municipality": "", "locality": "Middle Island", "decimalLatitude": "45.192515", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}