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": ""}
 1854-08 we)     4   js.n.   George L. Ames D 7+   United States #  1539680 .3    0YBY williamstown  l. ad     ?ZO uniflora     MASSACHUSETTS   gR% ERICALES 42.6847 n/   1H BERKSHIRE  -73.2283 :ruu  
{"catalogNumber": "1539680", "order": "Ericales", "family": "", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "uniflora", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1854-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Massachusetts", "county": "Berkshire", "municipality": "", "locality": "Williamstown", "decimalLatitude": "42.6847", "decimalLongitude": "-73.2283", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}