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": ""}
    lI= 46.252708  betula ã sandbergii IF    schoolcraft E;o   >Gqf britton  ?qn betula  ca. 12 mi. se of shingleton. ^  Betulaceae V!-    ã sandbergii ([2  1986-06-11 i<k<   Shrub ca. 3 m. tall, damp mixed conifer and shru8 thickets. [FM      michigan 5   
{"catalogNumber": "", "order": "", "family": "Betulaceae", "scientificName": "Betula \u00c3\u0097 sandbergii", "scientificNameAuthorship": "Britton", "genus": "Betula", "subgenus": "", "specificEpithet": "\u00c3\u0097 sandbergii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1986-06-11", "habitat": "Shrub ca. 3 m. tall, damp mixed conifer and shrub thickets.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Schoolcraft", "municipality": "", "locality": "ca. 12 mi. SE of Shingleton.", "decimalLatitude": "46.252708", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}