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": ""}
  ws(2 CHINA     W. Wayt Thomas  vi?C    .R  1977-05-12   T Alismatales  OU6U  40.31667    6WH pedatisecta 40â° 19' n, 116â° 16' e  G]   DKS BEIJING ARACEAE usHW     li heng 173A  1664494 )Y%c   d.2 pinellia   
{"catalogNumber": "1664494", "order": "Alismatales", "family": "Araceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Pinellia", "subgenus": "", "specificEpithet": "pedatisecta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Li Heng", "recordedBy": "W. Wayt Thomas", "recordNumber": "", "verbatimEventDate": "1977-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "China", "stateProvince": "", "county": "Beijing", "municipality": "", "locality": "", "decimalLatitude": "40.31667", "decimalLongitude": "", "verbatimCoordinates": "40\u00c2\u00b0 19' N, 116\u00c2\u00b0 16' E", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}