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": ""}
1204926 r+u      DADE 6 tT   A philadelphus hirsutus   open pine-oak-hickory woods at top of escarpment w side of lookout mt. near burkhatter gap ne of cloudland canyon, cumberland plateau :b+?#    j hydrangeacea1e PHLADELPHUS ]     15929 2/^      610 $-Y6   UNITED STATES R$        
{"catalogNumber": "1204926", "order": "", "family": "Hydrangeaceae", "scientificName": "Philadelphus hirsutus", "scientificNameAuthorship": "", "genus": "Philadelphus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "15929", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Dade", "municipality": "", "locality": "Open pine-oak-hickory woods at top of escarpment W side of Lookout Mt. near Burkhatter Gap NE of Cloudland Canyon, Cumberland Plateau", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "610", "maximumElevationInMeters": ""}