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": ""}
   r 15892   IN CLAY LOAM OVER ROCK ABOUT HAZEL AND SERVICEBERRY THICKETS UNDER ASPEN ON GENTLY SLOPING HILLS  &    Lh ORCHIDACEAE THUNDER BAY OI  (l.) hartm. F?e  TOWNLINE RD., IN OLIVER TWP; 2 KM  N OF JOHN ST HILL  E      sa 2 C. E. GARTON   E coeloglossum viride #   quite plentiful 4@   Mf  o 1647892  Canada G   NhxW Asparagales   
{"catalogNumber": "1647892", "order": "Asparagales", "family": "Orchidaceae", "scientificName": "", "scientificNameAuthorship": "(L.) Hartm.", "genus": "Coeloglossum", "subgenus": "", "specificEpithet": "viride", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. E. Garton", "recordNumber": "15892", "verbatimEventDate": "", "habitat": "in clay loam over rock about hazel and serviceberry thickets under aspen on gently sloping hills", "occurrenceRemarks": "quite plentiful", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Thunder Bay", "municipality": "", "locality": "Townline Rd., in Oliver Twp; 2 km N N of John St hill", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}