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": ""}
   43.2588 ~+=1  1857-05-8 _q   E*Hg united states  e SAMBUCUS RACEMOSA east dorset (town of dorset) k:   W BENNINGTON SAMBUCUS L  racemosa  x  -73.0515   s  S.N. G<;   1539892 p   VERMONT  # F  DIPSACALES Bp^        george l. ames @ k^    L. D 
{"catalogNumber": "1539892", "order": "Dipsacales", "family": "", "scientificName": "Sambucus racemosa", "scientificNameAuthorship": "L.", "genus": "Sambucus", "subgenus": "", "specificEpithet": "racemosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1857-05-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Vermont", "county": "Bennington", "municipality": "", "locality": "East Dorset (Town of Dorset)", "decimalLatitude": "43.2588", "decimalLongitude": "-73.0515", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}