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": ""}
HIERACIUM CAESPITOSUM  c 2   u 1968-06-20    -Y$ Anton A. Reznicek   1284633 n8   caespitosum !*   o CANADA     HIERACIUM -M b$      SIMCOE :kg   y,0 contact um herbarium   Asterales =i5     ,+PmA DUMORT. 1352    
{"catalogNumber": "1284633", "order": "Asterales", "family": "", "scientificName": "Hieracium caespitosum", "scientificNameAuthorship": "Dumort.", "genus": "Hieracium", "subgenus": "", "specificEpithet": "caespitosum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "1352", "verbatimEventDate": "1968-06-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}