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": ""}
  ~) viscosa George L. Ames dOx     Fabales JN;:   OaIP FABACEAE VENT. Ow   !a:6 Robinia viscosa 1539870 )     !  robinia   ;l&| 42.6847 -73h.2283 (-U     i WILLIAMSTOWN   [A<l; UNITED STATES      1854-06 =EL   9@ :( s.n.
{"catalogNumber": "1539870", "order": "Fabales", "family": "Fabaceae", "scientificName": "Robinia viscosa", "scientificNameAuthorship": "Vent.", "genus": "Robinia", "subgenus": "", "specificEpithet": "viscosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "George L. Ames", "recordNumber": "s.n.", "verbatimEventDate": "1854-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Williamstown", "decimalLatitude": "42.6847", "decimalLongitude": "-73.2283", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}