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": ""}
 udU6 maculosa   :xVbg WAS-HTENAW  LooHK S. F. GRAY   pp]/  Ditch. eileen w. erlanson B  -83.7341 %sHf^      =/ PERSICARIA   V. Botanical Gardens, Ann Arbor. 1927-08-24 h&Y 9  "annual - height 3â½ft." `#     1469206      !  Polygonaceae    Persicara maculosa    IW Michigan  #y 42.2591
{"catalogNumber": "1469206", "order": "", "family": "Polygonaceae", "scientificName": "Persicaria maculosa", "scientificNameAuthorship": "S. F. Gray", "genus": "Persicaria", "subgenus": "", "specificEpithet": "maculosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eileen W. Erlanson", "recordNumber": "", "verbatimEventDate": "1927-08-24", "habitat": "Ditch.", "occurrenceRemarks": "\"Annual - height 3\u00c2\u00bd ft.\"", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "Botanical Gardens, Ann Arbor.", "decimalLatitude": "42.2591", "decimalLongitude": "-83.7341", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}