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": ""}
  o aer andis (formerly radja mas), nar rantau parapat, bila  1932-05-28  pv    NxVAS leptoclada    Labuhanbatu =)8   xm 2481  _=Wfa rahmat si toroes     dmM/  BENTH.     1715845 bhi6^     cyperaceae a?y    
{"catalogNumber": "1715845", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Benth.", "genus": "", "subgenus": "", "specificEpithet": "leptoclada", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rahmat Si Toroes", "recordNumber": "2481", "verbatimEventDate": "1932-05-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Labuhanbatu", "municipality": "", "locality": "Aer Kandis (formerly Radja Mas), near Rantau Parapat, Bila", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}