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": ""}
      Cyperaceae #7n     N 22992  _3r  forest  5] ?  610  Gn Cyperus diffusus     walter n. koelz @)6 4   `wyjb cypIerus OALES QS  nongpoh, khasi hills (#  1949-06-16 $  diffusus 9J  RI-BHOI Wnv    
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus diffusus", "scientificNameAuthorship": "", "genus": "Cyperus", "subgenus": "", "specificEpithet": "diffusus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "22992", "verbatimEventDate": "1949-06-16", "habitat": "Forest", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Ri-Bhoi", "municipality": "", "locality": "Nongpoh, Khasi Hills", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}