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": ""}
   6=D Near Douglas Lake  H& |917-07-16  kA u 520  w `&) l. alba   (A[   p! malpighiales   C= J.E. Eckenwalder  s>HY ["'pyramidalis' syn. p. bolleana lauche)" j. e. eckew alder 1990]    3:I salicaceae  united state A  cheboygan (iPx   John H. Ehlers gK%T2     michiga ?  POPULUS vX   45.5813T]E_   
{"catalogNumber": "", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Populus", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "John H. Ehlers", "recordNumber": "520", "verbatimEventDate": "1917-07-16", "habitat": "", "occurrenceRemarks": "[\"'pyramidalis' syn. P. bolleana Lauche)\" J. E. Eckenwalder 1990]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "Near Douglas Lake", "decimalLatitude": "45.5813", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}