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": ""}
   7v~  on harsen island.  1907-08-24 c   charles k. dodge !zl$H     #c "PLENTIFUL" [P. BUXIFORME& P. NEGLECTUM (JFB)]     *nti -82.57107     @t Michigan        %Wx$ Polygonum  1466011 C$:R  
{"catalogNumber": "1466011", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "", "genus": "Polygonum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles K. Dodge", "recordNumber": "", "verbatimEventDate": "1907-08-24", "habitat": "", "occurrenceRemarks": "\"Plentiful\" [P. buxiforme & P. neglectum (JFB)]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "On Harsen Island.", "decimalLatitude": "", "decimalLongitude": "-82.57107", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}