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": ""}
   : 1929-09-07  4450  +   2r0@y -84.950409  3 DUNE REGION 2ND RIDGE. michigan I(T~  ROSACEAE ^   rosales Ci x    45.982172 o    `2 mackina Aiton #    United States ]T23C    A@/ ROSA BLANDA   #D BETWEGEN BREVORT LAKE AND LAKE MICHIGAN. Rosa 5L   1470003 v  blanda pnvA    SHq JOHN H. EHLERS
{"catalogNumber": "1470003", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rosa blanda", "scientificNameAuthorship": "Aiton", "genus": "Rosa", "subgenus": "", "specificEpithet": "blanda", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "4450", "verbatimEventDate": "1929-09-07", "habitat": "Dune region 2nd ridge.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Between Brevort Lake and Lake Michigan.", "decimalLatitude": "45.982172", "decimalLongitude": "-84.950409", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}