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": ""}
  e melilotus albus          ;u fabaceae 1346920 )Z?Y]   [v 47.06732 HOUGHTON :05l*    E  4226  z0 e/ ALBUS MELILOTUS  a][   United States @<;e    l-0|> michigan  about 3 miles south of Houghton on US Highway 41. ~-xhO  1950-08-18 Ga;   Medik. Q   charles d. richards  &  
{"catalogNumber": "1346920", "order": "", "family": "Fabaceae", "scientificName": "Melilotus albus", "scientificNameAuthorship": "Medik.", "genus": "Melilotus", "subgenus": "", "specificEpithet": "albus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "4226", "verbatimEventDate": "1950-08-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "about 3 miles south of Houghton on US Highway 41.", "decimalLatitude": "47.06732", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}