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": ""}
   i)R Li Heng   uPsLd W. Wayt cThomas   m PEDATISECTA  RZ2t pinellia pedatisecta   Q ALISMATALES  ] | china  + =v  Beijing  !EI8 1664494  HEBEI &lNj  Pinellia ;@&    ~ f^@ schott  TRw= 11.26667      1977-05-1l2 U<%     40Â° 19' N, 116Â° 16' E shisanling, 49 km n of beijing e  
{"catalogNumber": "1664494", "order": "Alismatales", "family": "", "scientificName": "Pinellia pedatisecta", "scientificNameAuthorship": "Schott", "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": "Hebei", "county": "Beijing", "municipality": "", "locality": "Shisanling, 49 km N of Beijing", "decimalLatitude": "", "decimalLongitude": "116.26667", "verbatimCoordinates": "40\u00c2\u00b0 19' N, 116\u00c2\u00b0 16' E", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}