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": ""}
  Contact UM Herbarium 4)r  salix euxina G8     ONTARIO b5QC      LH halton 43.3 F    %w 43Â° 18' N, 79Â° 48'  W   Sa^, SALIX   L- euxina   xQ Canada  WILLIAM J. CRINS >e     t 1458312 10295 u    B MALPIGHIALES  |?> 1995-09-30 -79.8 ^y 
{"catalogNumber": "1458312", "order": "Malpighiales", "family": "", "scientificName": "Salix euxina", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "euxina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "William J. Crins", "recordNumber": "10295", "verbatimEventDate": "1995-09-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Halton", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "43.3", "decimalLongitude": "-79.8", "verbatimCoordinates": "43\u00c2\u00b0 18' N, 79\u00c2\u00b0 48' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}