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": ""}
S.N. A j  Cyperus V_      `k POALES  Cyperuspolystachyos 2+~J   1394100 %p2    POLYSTACHYOS N+   HXY a. cuthbwert Rottb. :V    dCad Cyperaceae    mVubs South Carolina united states (xyV     FRAGUNACE. [?] 8c)&   9P( 1884-09 
{"catalogNumber": "1394100", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus polystachyos", "scientificNameAuthorship": "Rottb.", "genus": "Cyperus", "subgenus": "", "specificEpithet": "polystachyos", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Cuthbert", "recordNumber": "s.n.", "verbatimEventDate": "1884-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "South Carolina", "county": "", "municipality": "", "locality": "Fragunace. [?]", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}