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": ""}
   gN8r united states  MOIST FLAT ALONG PORTAGESHIP CANAL NORTHWEST 0F HANCOCK.  LKK>     persicaria lapathifolia &?#tT          x] MICHIGAN     q 1950-08-07 houghton vZX v   Km@  Caryophyllales   d4020  a persicaria  @9m lapathifolia  V ^&  1466260  -88.623478 Y] 
{"catalogNumber": "1466260", "order": "Caryophyllales", "family": "", "scientificName": "Persicaria lapathifolia", "scientificNameAuthorship": "", "genus": "Persicaria", "subgenus": "", "specificEpithet": "lapathifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4020", "verbatimEventDate": "1950-08-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Moist flat along Portage Ship Canal northwest of Hancock.", "decimalLatitude": "", "decimalLongitude": "-88.623478", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}