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": ""}
["'pyramidalis' syn. p. bolleana lauche)" j. e. eckenwalder 190]  `@p_     populus hx[V  L. >E),       United Sates Ra2TV    SU8xI 520     #g<h J.E. Eckenwalder alba *?  45.5813 Cp P  POPULUS ALBA <f^  1917-07-16 O     , 1221970   % cheboygan  Pibst MICHIGAN  4F P -84.697
{"catalogNumber": "1221970", "order": "", "family": "", "scientificName": "Populus alba", "scientificNameAuthorship": "L.", "genus": "Populus", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "J.E. Eckenwalder", "recordedBy": "", "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": "", "decimalLatitude": "45.5813", "decimalLongitude": "-84.697", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}