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": ""}
   <% George L. Ames, M.D.   v5SLL s.n.     D9J HEUCHERA RICHARDSONII  w&Y elizabeth f. wells  BERRIEN s,D%   -86.254177 A   SaxifragalesH x zeI       2~^s R. Br.   :cD 41.82769    1464972 7Xy   
{"catalogNumber": "1464972", "order": "Saxifragales", "family": "", "scientificName": "Heuchera richardsonii", "scientificNameAuthorship": "R. Br.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Elizabeth F. Wells", "recordedBy": "George L. Ames, M.D.", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Berrien", "municipality": "", "locality": "", "decimalLatitude": "41.829769", "decimalLongitude": "-86.254177", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}