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": ""}
  : POLK  echinatus GjKk    KJV poales  UJdSl contact um herbarium    Q CENCHRUS   L. g( 0U      _ 1930-10-20 1408949 5K    - POACEAE  2Ox James B. McFarlin CENCHRUS ECHINATUS 5     Florida kf   UNITED STATES S,L   JeZM 32|0 
{"catalogNumber": "1408949", "order": "Poales", "family": "Poaceae", "scientificName": "Cenchrus echinatus", "scientificNameAuthorship": "L.", "genus": "Cenchrus", "subgenus": "", "specificEpithet": "echinatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James B. McFarlin", "recordNumber": "3210", "verbatimEventDate": "1930-10-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Florida", "county": "Polk", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}