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": ""}
   0 1452370 SALICACEAE t d   Gz6rk NA 18942   90 CANADA Ontario  d c   DOq malpighiales MANITOULIN  p    1996-09-29 SpT     6/  CONTACT UM HERBARIUM  dZ L.      alba  L%2   JOHN K. MORTON & JOAN M. VENN =]9   g Salix alba SALIX   T  
{"catalogNumber": "1452370", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix alba", "scientificNameAuthorship": "L.", "genus": "Salix", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John K. Morton & Joan M. Venn", "recordNumber": "NA 18942", "verbatimEventDate": "1996-09-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Manitoulin", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}