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": ""}
  y~uX united states  4 rosales    1 serotina  Klh` rosaceae     P` T23N R1E SEC. 4 Ehrh.  +?x   ] ~ OGEMAW    1468375 DALE A. ZIMMERMAN R7^X  887 X ?#     `^<n) 44.413504  f prunus T23N R1E SEC. 4 r    $ Michigan 1954-07-12 N!x   J`P Prunus serotina   SG$+h -84.319305
{"catalogNumber": "1468375", "order": "Rosales", "family": "Rosaceae", "scientificName": "Prunus serotina", "scientificNameAuthorship": "Ehrh.", "genus": "Prunus", "subgenus": "", "specificEpithet": "serotina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Dale A. Zimmerman", "recordNumber": "887", "verbatimEventDate": "1954-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ogemaw", "municipality": "", "locality": "T23N R1E Sec. 4", "decimalLatitude": "44.413504", "decimalLongitude": "-84.319305", "verbatimCoordinates": "T23N R1E Sec. 4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}