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": ""}
 (7s@y Edward G. Voss  w* POPULUS    &2; l. SALICACEAE vF   #-p At N edge of Caseville.  X*H 1962-05-12 J.E. ECKENWALDER sSl    D J UNITED STATES  g*  10781   ,ga "foliage with balsamic odor."     MP:- BALSAMIFERA  TO  8 frequent small tree on low sand dunes 1221902 A5Y@   43.953237 &3KcF   ^92%; HURON Populus balsamifera .G   michigan GH.  
{"catalogNumber": "1221902", "order": "", "family": "Salicaceae", "scientificName": "Populus balsamifera", "scientificNameAuthorship": "L.", "genus": "Populus", "subgenus": "", "specificEpithet": "balsamifera", "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": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}