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": ""}
   S.N. fYg&u   7> 1316820     humilis _*M   D_ h J.W. Toumey  y>  salix  := marshall  LEANSING. ,*a0P   ["(TOO JUVENILE FOR CERTAINLTY)" CRB57] sJ K  Ingham  ZC  MICHIGAN OW*     1890-05-05 `1%     /K united states  
{"catalogNumber": "1316820", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Marshall", "genus": "Salix", "subgenus": "", "specificEpithet": "humilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "J.W. Toumey", "recordNumber": "s.n.", "verbatimEventDate": "1890-05-05", "habitat": "", "occurrenceRemarks": "[\"(too juvenile for certainty)\" CRB57]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Ingham", "municipality": "", "locality": "Lansing.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}