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": ""}
    %2 4223   caryophyllaceae k%Zk    c~UA 1947-04-01  ! UNITED STATES  Waste places y7   w^ athens; waste places at 3dge of university campus  SVtJW 1564744   w holosteum umbellatum  HOLOSTEUM bpO      WHdP 244 Clarke d     
{"catalogNumber": "1564744", "order": "", "family": "Caryophyllaceae", "scientificName": "Holosteum umbellatum", "scientificNameAuthorship": "", "genus": "Holosteum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "4223", "verbatimEventDate": "1947-04-01", "habitat": "Waste places", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Clarke", "municipality": "", "locality": "Athens; Waste places at edge of University campus", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "244", "maximumElevationInMeters": ""}