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": ""}
calystegia v      %m)fG 45.525502   j@ Y 1927-07-18   pf^a (l.) r. br.  $py 3528      z^f` -84.679027  4 ZH north shoCre of burt lake John H. Ehlers _/  MICHIGAN 2(+   1188680  P    Q7i cheboygan UNITED STATES  2i     b_[ sepium    M solanales CONVOLVULACEAE ^G  
{"catalogNumber": "1188680", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "", "scientificNameAuthorship": "(L.) R. Br.", "genus": "Calystegia", "subgenus": "", "specificEpithet": "sepium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "3528", "verbatimEventDate": "1927-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "North shore of Burt Lake", "decimalLatitude": "45.525502", "decimalLongitude": "-84.679027", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}