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": ""}
  mrz6 1957-07-28 1462982 SH  Brassicaceae 4<   G densiflorum  P- NEAR NW POINT OF BEAVER ISLAND.  U -85.52583   brassicales ?0H6 ;        t8  5023  t$ lepidium  K? 45.82833 lepidium densiflorum lI  Charlevoix 9    ks Along tail road, dry, s4ndy juniper savanna.  Michigan 0?x&  Common. 02   
{"catalogNumber": "1462982", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Lepidium densiflorum", "scientificNameAuthorship": "", "genus": "Lepidium", "subgenus": "", "specificEpithet": "densiflorum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "5023", "verbatimEventDate": "1957-07-28", "habitat": "Along trail road, dry, sandy juniper savanna.", "occurrenceRemarks": "Common.", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Charlevoix", "municipality": "", "locality": "Near NW point of Beaver Island.", "decimalLatitude": "45.82833", "decimalLongitude": "-85.52583", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}