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": ""}
  1968-07-11    RHAMNACEAE V]HY+   americanus U    2  ontaro    rosales     XT~b- 871  canada D@O     = J%j Ceanothus americanus      aKL Contact UM Herbarium  o wk  ceanothus    r.s.w. bobbette P 2$`P 
{"catalogNumber": "", "order": "Rosales", "family": "Rhamnaceae", "scientificName": "Ceanothus americanus", "scientificNameAuthorship": "", "genus": "Ceanothus", "subgenus": "", "specificEpithet": "americanus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.S.W. Bobbette", "recordNumber": "871", "verbatimEventDate": "1968-07-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}