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": ""}
  1973-05-31 NHDJ  1453091 [z    Canada ,YH   john k. morton HM6~[    S bebbiana BRUCE ? ]1     sarg. 3pjrH   ,_ CONTACT UM HERBARIUM  Ontario %g),     To Salix bebbiana   SALIX 0ZRS   NA 5788 ],    
{"catalogNumber": "1453091", "order": "", "family": "", "scientificName": "Salix bebbiana", "scientificNameAuthorship": "Sarg.", "genus": "Salix", "subgenus": "", "specificEpithet": "bebbiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John K. Morton", "recordNumber": "NA 5788", "verbatimEventDate": "1973-05-31", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Bruce", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}