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": ""}
1469816 ssk    -85.031704 1 u     1951-09-09 !dx     Aronia a   !p Aronia prunifolia      pWL  251 (marsh.) rehder mc   H7,k 46.653502    united states V    prunifolia # ( 
{"catalogNumber": "1469816", "order": "", "family": "", "scientificName": "Aronia prunifolia", "scientificNameAuthorship": "(Marsh.) Rehder", "genus": "Aronia", "subgenus": "", "specificEpithet": "prunifolia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "251", "verbatimEventDate": "1951-09-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "46.653502", "decimalLongitude": "-85.031704", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}