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": ""}
 !X 1472921   4] L. MICHIGAN  vh  -85.994642 -ly4    42.200345 kr       7D( sandy-pveaty drying shore o0f lake, much disturbed by boat launch activity. frequent on moist part of shore,     ?2 Anton A. Reznicek araliaceae ?9,u%   8350 ]/k   van buren gAD    umbellata Xk       4 "flowers white."
{"catalogNumber": "1472921", "order": "", "family": "Araliaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "8350", "verbatimEventDate": "", "habitat": "Sandy-peaty drying shore of lake, much disturbed by boat launch activity. Frequent on moist part of shore,", "occurrenceRemarks": "\"flowers white.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Van Buren", "municipality": "", "locality": "", "decimalLatitude": "42.200345", "decimalLongitude": "-85.994642", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}