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": ""}
   Prunus serotina IONIA |E  United States  Z40   k rosaceae 984 U-x   vj?wK 1982-06-05   Michigan s)MK       ^ 42.850002   & 1468416   $  x  EHRH.  eM Rosales     =H serotina  9d "SEVERAL SCALY-`BARKED REES TO ABOUT 12 M HIGH, WITH FRAXINUS AMERICANA." -84.866846 SL  Roy E. Gereau Z t  
{"catalogNumber": "1468416", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus serotina", "scientificNameAuthorship": "Ehrh.", "genus": "", "subgenus": "", "specificEpithet": "serotina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Roy E. Gereau", "recordNumber": "984", "verbatimEventDate": "1982-06-05", "habitat": "", "occurrenceRemarks": "\"Several scaly-barked trees to about 12 m high, with Fraxinus americana.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ionia", "municipality": "", "locality": "", "decimalLatitude": "42.850002", "decimalLongitude": "-84.866846", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}