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": ""}
ontario? &QLP    n4@* muhl.  HB!F discolor  QKg ? salix discolor       SUDBURY  zk     &pzMh CONTACT UM HERBARIUM  Salix d    *QTh CANADA    6  | 2308 CARL O. GRASSL !]VWc   MALPIGHIALE5 qX  salicaceae 7Ce    K2/ 1932-08-29  1454706 Vnz 
{"catalogNumber": "1454706", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix discolor", "scientificNameAuthorship": "Muhl.", "genus": "Salix", "subgenus": "", "specificEpithet": "discolor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "2308", "verbatimEventDate": "1932-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Sudbury", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}