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": ""}
sandy beach @<  -84.26667 M   1538423 IQ/z    PM/ UNITED STATES  ] b0 1834-08-08  74C 37.9  l~ kentucky   O?P  ROBERT PETER  kentucky river, boonsborough p  asterales 146%?      [F 812l  elephantopus .   Elephantopus carolinianus 0v~^   su-g- aseraceae  [b carolinianus  .! RAEUSCH.  Madison *  
{"catalogNumber": "1538423", "order": "Asterales", "family": "Asteraceae", "scientificName": "Elephantopus carolinianus", "scientificNameAuthorship": "Raeusch.", "genus": "Elephantopus", "subgenus": "", "specificEpithet": "carolinianus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert Peter", "recordNumber": "812l", "verbatimEventDate": "1834-08-08", "habitat": "Sandy beach", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Madison", "municipality": "", "locality": "Kentucky River, Boonsborough", "decimalLatitude": "37.9", "decimalLongitude": "-84.26667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}