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": ""}
s.n. s P       williamstown |m+/          1 papyrifera   K)( betula    -B1c -73.2283  c fagales  betula papyrifera =I   7Q^)H MASSACHUSETTS  @4HM BERKSHIRE   
{"catalogNumber": "", "order": "Fagales", "family": "", "scientificName": "Betula papyrifera", "scientificNameAuthorship": "", "genus": "Betula", "subgenus": "", "specificEpithet": "papyrifera", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Massachusetts", "county": "Berkshire", "municipality": "", "locality": "Williamstown", "decimalLatitude": "", "decimalLongitude": "-73.2283", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}