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": ""}
   ROSACEAE KU8i   n[7mB rosales L. M      ^V/U university of michigan botanical gardens, e of matteson rd. 20 m n of main entranc road.    EDGE OF ZANTHXYLUM THICKET ,V.N   ~tUtx Shrub aprox. 1.5 m high  9j united states   ?qj] Sylvia M. Taylor   j,X 42.300243    @bU prunus   1289667  bx[z  
{"catalogNumber": "1289667", "order": "Rosales", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Sylvia M. Taylor", "recordNumber": "", "verbatimEventDate": "", "habitat": "Edge of Zanthoxylum thicket", "occurrenceRemarks": "Shrub aprox. 1.5 m high", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "University of Michigan Botanical Gardens, E of Matteson Rd. 20 m N of main entrance road.", "decimalLatitude": "42.300243", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}