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": ""}
1950-07 l_W      ;u? Fabales MEDICAGO SATIVA S        -86.1874 UUb%     1346824 8E<uH   michigan o`   rc<B L.  7`   Muskegon  3. J? FABACEAE  SATIVA     :6] united states 43.33076  )$ H   b4+ Eric A. Bourdo, Jr.  <0 Medicago
{"catalogNumber": "1346824", "order": "Fabales", "family": "Fabaceae", "scientificName": "Medicago sativa", "scientificNameAuthorship": "L.", "genus": "Medicago", "subgenus": "", "specificEpithet": "sativa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eric A. Bourdo, Jr.", "recordNumber": "", "verbatimEventDate": "1950-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Muskegon", "municipality": "", "locality": "", "decimalLatitude": "43.33076", "decimalLongitude": "-86.18774", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}