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": ""}
   ezx% ROSALES -84.430313 L    v United States  n- prunus Rosaceae   F     >G ,| 429 1468267 n     f L.  i= pumila  45.922237 Z   BcAq Goose Island.  @ john h. ehlers GRAVELLY SHORE. jt   1917-07-08 V*:p   mackinac =   MICHIGAN cGm    
{"catalogNumber": "1468267", "order": "Rosales", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Prunus", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "429", "verbatimEventDate": "1917-07-08", "habitat": "Gravelly shore.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "Goose Island.", "decimalLatitude": "45.922237", "decimalLongitude": "-84.430313", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}