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": ""}
 :4 glandulifera   ?F  niteo states  dUF 566  f  margin of bog. -84.599002 <iav  1917-07-28 A:      u:h. JOHN H. EHLERS >(q/- 45.608487  ?Hu BETULA PUMILA VAR. GLANDULIFERA BETULACEAE X*    CHEBOYGAN P    @ var.   MUD LAKE. e     gi Regel 1349484 7mI   pumila kS ?d   A  betula 
{"catalogNumber": "1349484", "order": "", "family": "Betulaceae", "scientificName": "Betula pumila var. glandulifera", "scientificNameAuthorship": "Regel", "genus": "Betula", "subgenus": "", "specificEpithet": "pumila", "verbatimTaxonRank": "var.", "infraspecificEpithet": "glandulifera", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "566", "verbatimEventDate": "1917-07-28", "habitat": "Margin of bog.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Cheboygan", "municipality": "", "locality": "Mud Lake.", "decimalLatitude": "45.608487", "decimalLongitude": "-84.599002", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}