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 Pers.  2780 iUI2    VZw Montgomery  `z DULICHIUM   ? 3Dd UNITED STATES   <@L dulichium    L Charles Piper Smith  Hy 1913-09-28   : POALES     W 1394928      CYPERACEAE cdN;  MARYLAND ,Hx  
{"catalogNumber": "1394928", "order": "Poales", "family": "Cyperaceae", "scientificName": "Dulichium", "scientificNameAuthorship": "Pers.", "genus": "Dulichium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles Piper Smith", "recordNumber": "2780", "verbatimEventDate": "1913-09-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Maryland", "county": "Montgomery", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}