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": ""}
  x=u: asparagaceae rose !$g_   1955-08-09 YP0I     ASPARAGALES <Yg       Kko# polianthes nelsonii  /CCb nelsonii        8442      ` James H. Maysilles  = Contgact UM Herbarium   B polianthes
{"catalogNumber": "", "order": "Asparagales", "family": "Asparagaceae", "scientificName": "Polianthes nelsonii", "scientificNameAuthorship": "Rose", "genus": "Polianthes", "subgenus": "", "specificEpithet": "nelsonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "James H. Maysilles", "recordNumber": "8442", "verbatimEventDate": "1955-08-09", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}