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": ""}
   VXG^S se end of rice lake.  3972 g [J9    Hayne 8x   x Charles D. Richards    1464565 x   -88.28459 v     u?u] 1950-08-05          
{"catalogNumber": "1464565", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Hayne", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "3972", "verbatimEventDate": "1950-08-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "SE end of Rice Lake.", "decimalLatitude": "", "decimalLongitude": "-88.28459", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}