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": ""}
1930-07-21 [Q  NORVEGICA 8L_ x   #xN6 l.      United States 1` T   Rosales cy  ISLE ROYALE: ROCK HARBOR. <-XU?   E7n6 Potentilla norvegica  9X,h  rock opening. 3417 h        ;p> -88.485381  s9v4s Potentilla  %. k CLAIR A. BROWN 1467672 4?P  KEWEENAW V_D.  48.14577 T  
{"catalogNumber": "1467672", "order": "Rosales", "family": "", "scientificName": "Potentilla norvegica", "scientificNameAuthorship": "L.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "norvegica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Clair A. Brown", "recordNumber": "3417", "verbatimEventDate": "1930-07-21", "habitat": "Rock opening.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Keweenaw", "municipality": "", "locality": "Isle Royale: Rock Harbor.", "decimalLatitude": "48.14577", "decimalLongitude": "-88.485381", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}