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": ""}
    + +I 1305380  u= CARYOPHYLLALES  oEo SAGITTATUM    Z N polygonum    @I  Canada 1973-09-09 ylFrz   M CONTACT UM HERBARIUM Anton A. Reznicek [/v      SIMCOE 2   Polygonum sagittatum nM.a     >-<|v L.  [cCT polygonaceae  KI 3898  So2 3 Ontario
{"catalogNumber": "1305380", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Polygonum sagittatum", "scientificNameAuthorship": "L.", "genus": "Polygonum", "subgenus": "", "specificEpithet": "sagittatum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "3898", "verbatimEventDate": "1973-09-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}