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": ""}
   ~B B Prunus nigra  shGDW nigra   rosaceae 7Ik&      4L9 20|0-04-11  k 41.880344  o2xg& Aiton  D) fz 1477736  38/%| michigan     5934  LENAWEBE  CYrA   T S. of Beecher Rd., E. of Sword Hwy., Dover Twp.  &U<6 -84.13131 ANTON A. REZNICEK !  United States      _ CY5 rosales Bushes up to 2m high. [Lw,!   e PRUNUS Robert W. Smith :`YFa   O](  small thicket.
{"catalogNumber": "1477736", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus nigra", "scientificNameAuthorship": "Aiton", "genus": "Prunus", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "Robert W. Smith", "recordNumber": "5934", "verbatimEventDate": "2010-04-11", "habitat": "Small thicket.", "occurrenceRemarks": "Bushes up to 2m high.", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "S. of Beecher Rd., E. of Sword Hwy., Dover Twp.", "decimalLatitude": "41.880344", "decimalLongitude": "-84.13131", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}