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": ""}
  kHIy POALES  aqnP 1973-07-06  NA5950 Jl            qe L.     Yr Jb paNlu5tris   pp j. k. morton 4nd jo an m. venn Ontario qk   d4WM r 1421938  M`G POACEAE    Pt5.7 CANADA 
{"catalogNumber": "1421938", "order": "Poales", "family": "Poaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "palustris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J. K. Morton and Joan M. Venn", "recordNumber": "NA5950", "verbatimEventDate": "1973-07-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}