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": ""}
   c 1949-08-03 abandoned upland field, dominated by poa and aristida. soil: fox sandy loamf. o  Conyza canadensis B  Edwin S. George Reserve 61>   Asteraceae ;sgrc    asterales L-   United States Q     (L.) CRONQUIST x fe:   Zwt F. C. Evans   9 1674115    ANTON A. REZNICEK O_  S.N. |I7   Vo) LIVINGSTON CANADENSIS ,%)u 
{"catalogNumber": "1674115", "order": "Asterales", "family": "Asteraceae", "scientificName": "Conyza canadensis", "scientificNameAuthorship": "(L.) Cronquist", "genus": "", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "F. C. Evans", "recordNumber": "s.n.", "verbatimEventDate": "1949-08-03", "habitat": "Abandoned upland field, dominated by Poa and Aristida. Soil: Fox sandy loam.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Livingston", "municipality": "", "locality": "Edwin S. George Reserve", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}