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": ""}
united states o/C    v 1949-08-03 F. C. EVANS F9c0   Y asteraceae   6 0y (L.) Cronquist    EDWIN S. GEORGE RESERVE ZOz y      WaG Conyza   % Anton A. Reznicek    s.n. L`  Abandoned upland field, dominated by Poa and Aristida. Soil: Fox sandy loam. 8XUx6     canadens|s 583 I    2e 1674115
{"catalogNumber": "1674115", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(L.) Cronquist", "genus": "Conyza", "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": "", "municipality": "", "locality": "Edwin S. George Reserve", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}