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": ""}
marshall  6     -89.25   < betula 3200 [  |   u~ papyrifera  a9 Betulaceae  /-  Michigan  FAGALES k$?FS  47.875 MCRz4      g xG5 betulva paprifera 1350667 ~    1  $ Clair A. Brown  =/;%3 WASHINGTON ISLAND, ISLE ROYALE.  1930-07-06 EhIpf   united states oM x/   eA`  "CUNEATE LAEVES, WHITISH BARK" Keweenaw Yy    w TOP OF RIDGE. 
{"catalogNumber": "1350667", "order": "Fagales", "family": "Betulaceae", "scientificName": "Betula papyrifera", "scientificNameAuthorship": "Marshall", "genus": "Betula", "subgenus": "", "specificEpithet": "papyrifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Clair A. Brown", "recordNumber": "3200", "verbatimEventDate": "1930-07-06", "habitat": "Top of ridge.", "occurrenceRemarks": "\"Cuneate laeves, whitish bark\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Washington Island, Isle Royale.", "decimalLatitude": "47.875", "decimalLongitude": "-89.25", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}