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": ""}
 rt 8067       M cyperus  fS CYPERACEAE     Np Asahan POALES 8+w.U   .u>) North Sumatra  W v + kunth   W cuspidatus      ku Indonesia   x Cyperus cuspidatus  _Fke  1927-05-22  1714400 xxqL 
{"catalogNumber": "1714400", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus cuspidatus", "scientificNameAuthorship": "Kunth", "genus": "Cyperus", "subgenus": "", "specificEpithet": "cuspidatus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "8067", "verbatimEventDate": "1927-05-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Indonesia", "stateProvince": "North Sumatra", "county": "Asahan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}