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": ""}
  Em6t marshall   @|BU papyrifera   !ru BETULACEAE betula w<C*   +/7 common tree in open sandy woods.   drummond islano.     8Mo JOHN V. FREUDENSTEIN  mG 350715 1371 [  46.049369 q&p      UNITED STATES k/Is   FAGALES % +      QEy betula papyrifera
{"catalogNumber": "1350715", "order": "Fagales", "family": "Betulaceae", "scientificName": "Betula papyrifera", "scientificNameAuthorship": "Marshall", "genus": "Betula", "subgenus": "", "specificEpithet": "papyrifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John V. Freudenstein", "recordNumber": "1371", "verbatimEventDate": "", "habitat": "Common tree in open sandy woods.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Drummond Island.", "decimalLatitude": "46.049369", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}