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": ""}
  a Z- 1926-08-04 r 751   -88.442624  N ]   var. >i     f DC. MICHIGAN 7mNnp  1464373 ^GtL  frederick j. hermann <<    cvu  brassicaceae BRASSICALES TAA8   47.241113 : u   cor. 1stand calumet sts., laurium. Hpe   ^+[ sisymbrium fficinale var. leiocarpum United States  :M2    pm OFFICINALE SISYMBRIUM W Qq  
{"catalogNumber": "1464373", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Sisymbrium officinale var. leiocarpum", "scientificNameAuthorship": "Dc.", "genus": "Sisymbrium", "subgenus": "", "specificEpithet": "officinale", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Frederick J. Hermann", "recordNumber": "751", "verbatimEventDate": "1926-08-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Cor. 1st and Calumet Sts., Laurium.", "decimalLatitude": "47.241113", "decimalLongitude": "-88.442624", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}