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": ""}
J. S. BURCHAM ~    1905-07-1 *S   I Ketchikan Gateway rosales 7P      zmh4 Rosaceae  nKI 1461405  <*?@O Contact UM Herbarium  ?><G Alaska   United States )3Ah  L. 6H   @1v M. P. WIDRLECHNER CHAMAEMORUS ;1:Aq    ;!cG$ s.n. RUBUS GHAMAEMORUS :4v      c>3c RUBUS 
{"catalogNumber": "1461405", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus chamaemorus", "scientificNameAuthorship": "L.", "genus": "Rubus", "subgenus": "", "specificEpithet": "chamaemorus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "J. S. Burcham", "recordNumber": "s.n.", "verbatimEventDate": "1905-07-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "Ketchikan Gateway", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}