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": ""}
 1439529 $.D^    Michael J. Oldham C 5e    N j RZAINY RIVER      - POLYGONACEAE    $ contact um herbarium canada ~     Ontario   __`k  17921 caryophyllales 7    $] SAGITTATA  persicaria U0z  (L.) H. GROSS = IGv   (/5EL PERSICARIA SAGITTATA 
{"catalogNumber": "1439529", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria sagittata", "scientificNameAuthorship": "(L.) H. Gross", "genus": "Persicaria", "subgenus": "", "specificEpithet": "sagittata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "17921", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Rainy River", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}