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": ""}
 41.829769 X4   $[+kd UNITED STATES MILES fu3W      $@  @ Marshall CARLETON R. BALL *Jo   uw  J michigan  8-NH4 -86.254177  ID nigra   | MALPIGHIALES   _rF^  s.n.   1318165 E   Jc GEORGE L. AMES, M.D.   berrien xx   salix nigra R*M  Salix WH6i   o Salicaceae  ,/F 1867-06-15
{"catalogNumber": "1318165", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix nigra", "scientificNameAuthorship": "Marshall", "genus": "Salix", "subgenus": "", "specificEpithet": "nigra", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Carleton R. Ball", "recordedBy": "George L. Ames, M.D.", "recordNumber": "s.n.", "verbatimEventDate": "1867-06-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Berrien", "municipality": "", "locality": "Niles", "decimalLatitude": "41.829769", "decimalLongitude": "-86.254177", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}