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": ""}
willow slough public hunting area, 3 miles south of henderson. L+7      _ 137557  FT7x CYPERACEAE 5162 zv  United States (^Y I   +W 6 poales doewey P .Y   $ barbara l. wilson      G & leavenworthii     IOWA I  Mills Sd       O  Carex   1992-05-27 uI  
{"catalogNumber": "1375757", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Dewey", "genus": "Carex", "subgenus": "", "specificEpithet": "leavenworthii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Barbara L. Wilson", "recordNumber": "5162", "verbatimEventDate": "1992-05-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Iowa", "county": "Mills", "municipality": "", "locality": "Willow Slough Public Hunting Area, 3 miles south of Henderson.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}