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": ""}
   ,G7 rubus  chamaemorus v`Y?k      jO/6 m. p. widrlechner   P* x Rubus chamaemorus   1461405 65  ROSALES (   H United States 1905-07-11 c   Ketchikan Gateway 1   alaska      Zf7 3 J. S. BURCHAM  contact um herbarium <O .   ] S.Nc.  
{"catalogNumber": "1461405", "order": "Rosales", "family": "", "scientificName": "Rubus chamaemorus", "scientificNameAuthorship": "", "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": ""}