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": ""}
   )!  (L.)w Cronquist  1940-12-28 y~ u)  ASTERACEAE CyUTI   B/ Asterales  RJM QUASR-I-SHIRIN      Kn 1538244 Kermansh4h & 8Y8     conyza canadensis 3   FX Qasr-e Shirin  scei7% conyza  ql|)! iran CANADENSIS m=&hO  in fields nMSdU   wA Walter N. Koelz  17054 JV(v?  
{"catalogNumber": "1538244", "order": "Asterales", "family": "Asteraceae", "scientificName": "Conyza canadensis", "scientificNameAuthorship": "(L.) Cronquist", "genus": "Conyza", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "17054", "verbatimEventDate": "1940-12-28", "habitat": "In fields", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Iran", "stateProvince": "Kermanshah", "county": "Qasr-e Shirin", "municipality": "", "locality": "Quasr-i-Shirin", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}