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": ""}
Gravelly shore. ? X   ;- Rosaceae    john h. ehlers fb     %A) 45.922237   1917-07-08 %aZOz8  united states #     MACKINAC .o   pumila zj 7 *  GOOSE ISLAND. 6A 8   sbyU 429   )8<mE 1468267   : 8 prunus pumila  -84.430313 Yc0d  
{"catalogNumber": "1468267", "order": "", "family": "Rosaceae", "scientificName": "Prunus pumila", "scientificNameAuthorship": "", "genus": "", "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": "", "county": "Mackinac", "municipality": "", "locality": "Goose Island.", "decimalLatitude": "45.922237", "decimalLongitude": "-84.430313", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}