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": ""}
1974-08-01 |@aO:         ? 1458682   Nkh ontario   NODOSUS H   P EB 22093   Juncaceae 5Sve  Canada  T<Rz  L.  &   QIA c contact um herbarium  dS.(i paul f. maycock   !r+ juncus  POALES b LK   a/ juncus nodosus KENORA   
{"catalogNumber": "1458682", "order": "Poales", "family": "Juncaceae", "scientificName": "Juncus nodosus", "scientificNameAuthorship": "L.", "genus": "Juncus", "subgenus": "", "specificEpithet": "nodosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Paul F. Maycock", "recordNumber": "22093", "verbatimEventDate": "1974-08-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Kenora", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}