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.?= 1929-10-28 GUANGDONG :.ncN        S China  j< CYPERACEAE  Vahl <:TL   CYPERUS PILOSUS e W ?   1my POALES         * m[ lung-yen-tung canton, kwangtung  (X| pilosus    
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Cyperus pilosus", "scientificNameAuthorship": "Vahl", "genus": "", "subgenus": "", "specificEpithet": "pilosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1929-10-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "Guangdong", "county": "", "municipality": "", "locality": "Lung-Yen-Tung Canton, Kwangtung", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}