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": ""}
MACKINAC e  amelanchier laevis 7fej    ^ 45.868164 west of st. ignace. h~     j rosales      ,*8J s.n. Amelanchier VNG  PLENTIFUL, SHRUB 15 FT. HIGH. "BY KM WIEGAND" iE3#   T CHARLES K. DODGE   dry open ground. 2    Y laevis   / 146674    :s)c 1915-06-25 United States lN,(<  
{"catalogNumber": "1463674", "order": "Rosales", "family": "", "scientificName": "Amelanchier laevis", "scientificNameAuthorship": "", "genus": "Amelanchier", "subgenus": "", "specificEpithet": "laevis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "s.n.", "verbatimEventDate": "1915-06-25", "habitat": "Dry open ground.", "occurrenceRemarks": "Plentiful, Shrub 15 ft. high. \"By KM Wiegand\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Mackinac", "municipality": "", "locality": "West of St. Ignace.", "decimalLatitude": "45.868164", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}