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": ""}
   ^7 Q ribes united states U  MICHIGAN  S   q| Saginaw   A SAXIFRAGALES S.N.  Dx     1 1465486   Chesening Twp. x    wXC Ribes americanum    Grossulariaceae o 6?    dz +I 1968-05-12  AMERICANUM m       3 MILL.  Frederick W. Case, Jr., Roberta B. Case & George L. Burrows IV M993? 
{"catalogNumber": "1465486", "order": "Saxifragales", "family": "Grossulariaceae", "scientificName": "Ribes americanum", "scientificNameAuthorship": "Mill.", "genus": "Ribes", "subgenus": "", "specificEpithet": "americanum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick W. Case, Jr., Roberta B. Case & George L. Burrows IV", "recordNumber": "s.n.", "verbatimEventDate": "1968-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Saginaw", "municipality": "", "locality": "Chesening Twp.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}