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": ""}
  ns* < 1891 -08-06 1503411 a      NOT EVIDENT united states  )o&   Desmodium %          fabales ;j   k Fabaceae GRPM 44713 3a    M D3SMODIUM CAN@ADENSE   S.N. s>v,    | rockford    ?upo illinois canadese V% 
{"catalogNumber": "1503411", "order": "Fabales", "family": "Fabaceae", "scientificName": "Desmodium canadense", "scientificNameAuthorship": "", "genus": "Desmodium", "subgenus": "", "specificEpithet": "canadense", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Not evident", "recordNumber": "s.n.", "verbatimEventDate": "1891-08-06", "habitat": "", "occurrenceRemarks": "GRPM 44713", "associatedTaxa": "", "country": "United States", "stateProvince": "Illinois", "county": "", "municipality": "", "locality": "Rockford", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}