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": ""}
   m F!s FIMBRISTYLIS 1396490 _Kn      PEpT Fimbristylis puberula  u2-0W Nebraska      <o PUBERULA  H A Poales  jyKj (MICHX.) VAHL Minden. c      naiG H. HAP3uMAN   cM7R4 1873-08 S.N.  mG0   UNITED STATES mCJ   cyperaceae bWj  
{"catalogNumber": "1396490", "order": "Poales", "family": "Cyperaceae", "scientificName": "Fimbristylis puberula", "scientificNameAuthorship": "(Michx.) Vahl", "genus": "Fimbristylis", "subgenus": "", "specificEpithet": "puberula", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. Hapeman", "recordNumber": "s.n.", "verbatimEventDate": "1873-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Nebraska", "county": "", "municipality": "", "locality": "Minden.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}