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": ""}
  L. e@_      55 helianthus HELIANTHUS STRUMOSUS   m   Asterales uh  strumosus JL`   Jackson YIg#N   L$Bcp -84.19955 799 :% Q       42.2995 88%RI  Unite States @[3x  1254243 7aQ     =ut3 1948-08-17   
{"catalogNumber": "1254243", "order": "Asterales", "family": "", "scientificName": "Helianthus strumosus", "scientificNameAuthorship": "L.", "genus": "Helianthus", "subgenus": "", "specificEpithet": "strumosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "799", "verbatimEventDate": "1948-08-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Jackson", "municipality": "", "locality": "", "decimalLatitude": "42.2995", "decimalLongitude": "-84.19955", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}