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": ""}
  yu 1869-05-20 S.N. &    5?rp asparagales  UNITED STATES 8    8n raf.   FHV P michigan  -83.726329 ,z8      rYq washtenaw      bJB  iridaceae  42.270872 uhi    XW$Jo SISYRINCHIUM   R+Xo) LEWIS E. FOOTE
{"catalogNumber": "", "order": "Asparagales", "family": "Iridaceae", "scientificName": "", "scientificNameAuthorship": "Raf.", "genus": "Sisyrinchium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Lewis E. Foote", "recordNumber": "s.n.", "verbatimEventDate": "1869-05-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "42.270872", "decimalLongitude": "-83.726329", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}