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": ""}
 t! michigan  b 57.5   x0D/~ GRANDIDENTATA Mor4ine Research Site. u   malpighiales zY`   1958-07-29 G  BURTON V. BARNES ~a^9 d    M michx.   t0q UNITED STATES salicaceae 60(V  populus V-   `gF J.E. ECKENWALDER  E Clone 122,2 female, sample ree 5. Populus grandidentata je     Cheboygan jaU     ,;0:x 1559830  
{"catalogNumber": "1559830", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Populus grandidentata", "scientificNameAuthorship": "Michx.", "genus": "Populus", "subgenus": "", "specificEpithet": "grandidentata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "Burton V. Barnes", "recordNumber": "57.5", "verbatimEventDate": "1958-07-29", "habitat": "", "occurrenceRemarks": "Clone 122, female, sample tree 5.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Moraine Research Site.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}