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": ""}
  Halton Q2 J  Salix ;lI p   -79.8 857u    malpighiale    euxina ;   cont#act um herbarium .M   nC 43Â° 18' N , 79Â° 48' W 1995-09-30 !caq   5 B 1458312   HF ] sxalicaceae  > CANADA   SALIX EUXINA E       1S| 43.3 ontario C%  
{"catalogNumber": "1458312", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix euxina", "scientificNameAuthorship": "", "genus": "Salix", "subgenus": "", "specificEpithet": "euxina", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "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": ""}