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": ""}
  K 1897-05-25  x~ NORTH CAROIN4  M?+ BUNCOMBE acer pensylvanicum Q0    T]m( Not evident    s.n. A       1506175 u  Sapindales Y     - sapindaceae   < grpm 43227    ;j4# united states   OSFk L.
{"catalogNumber": "1506175", "order": "Sapindales", "family": "Sapindaceae", "scientificName": "Acer pensylvanicum", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Not evident", "recordNumber": "s.n.", "verbatimEventDate": "1897-05-25", "habitat": "", "occurrenceRemarks": "GRPM 43227", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "Buncombe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}