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": ""}
  I2< 1439257    sW# 1975-07-12    Contact UM oHerbarium ^    PENSYLVANICA .8W#T  (L.) M. GÃ³mez (v uq  PERSICARIA m  persicaria pensylvanica 9 n     CARYOPHYLLALES  86au  CLAUDE E. GARTON s2w|i   a__ canada  n 16575   hDb[  ONTARIO THUNDER BAY XqE`,     b POLYGONACEAE 
{"catalogNumber": "1439257", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Persicaria pensylvanica", "scientificNameAuthorship": "(L.) M. G\u00c3\u00b3mez", "genus": "Persicaria", "subgenus": "", "specificEpithet": "pensylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Claude E. Garton", "recordNumber": "16575", "verbatimEventDate": "1975-07-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}