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": ""}
 o4<>v 47.92542  BETULA c v 2   n^  5350 Marshall %u4xT      betulaceae >Re       1350681 #   forest of spruce, aspen, birch. *N c      kg;6 KEWEENAW   [No wintergreen flavor in bark; leaves as in B. papyrifera; bark shreds dark] *!    
{"catalogNumber": "1350681", "order": "", "family": "Betulaceae", "scientificName": "", "scientificNameAuthorship": "Marshall", "genus": "Betula", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5350", "verbatimEventDate": "", "habitat": "Forest of spruce, aspen, birch.", "occurrenceRemarks": "[No wintergreen flavor in bark; leaves as in B. papyrifera; bark shreds dark]", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Keweenaw", "municipality": "", "locality": "", "decimalLatitude": "47.92542", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}