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": ""}
 z 1716456  | rhynchospora  ky (L.) Britton RAHMAT SI TOROES ^[&  vicinity oef rantau parapat, bila .q          K RHYNCHOSPORA CORYMBOSA       BIj north sumatra  E]Dd cyperaceae  POALES     Ta&x orymbsa     5 1630
{"catalogNumber": "1716456", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora corymbosa", "scientificNameAuthorship": "(L.) Britton", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "corymbosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rahmat Si Toroes", "recordNumber": "1630", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "North Sumatra", "county": "", "municipality": "", "locality": "Vicinity of Rantau Parapat, Bila", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}