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": ""}
 rv Sepherdia  +i7 1355382  a=D Rosales     G UWr canadensis   UNITED STATES y(     ,Hue~ -84.47803 rocky shore eK     Q X CECIL BILLINGTON  S.N. RFd   M 1916-08-24    Michigan y66  45.773385 p^    Rr1 mackinac
{"catalogNumber": "1355382", "order": "Rosales", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Shepherdia", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cecil Billington", "recordNumber": "s.n.", "verbatimEventDate": "1916-08-24", "habitat": "rocky shore", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Mackinac", "municipality": "", "locality": "", "decimalLatitude": "45.773385", "decimalLongitude": "-84.47803", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}