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": ""}
 FREDERICK W. CASE, JR., ROBERTA B. CASE, DAVID CAS & GEORGE L. BURROWS IV &nnG    2|:jw MICHIGAN     6 43.18,472      KYY`u 1468638  1968-04-21 Z   SAXIFRAGALES )Bmr  -84.115 ~@VQ  Ribes cynosbati ^  grossulariaceae n<qw  L. jN1UR   >0y CYNOSBATI  ssf CHESANING TWP. QUINN P. SINNOTT fP   SAGINAW 5r*   
{"catalogNumber": "1468638", "order": "Saxifragales", "family": "Grossulariaceae", "scientificName": "Ribes cynosbati", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "cynosbati", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Quinn P. Sinnott", "recordedBy": "Frederick W. Case, Jr., Roberta B. Case, David Case & George L. Burrows IV", "recordNumber": "", "verbatimEventDate": "1968-04-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "Chesaning Twp.", "decimalLatitude": "43.18472", "decimalLongitude": "-84.115", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}