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": ""}
 =U 1471182  Chippewa u+~   Y Agnes R. Kugel 1950-08-22 Z   $=dR Michig4n -84.216698  p=o     ; alba   > 1237  ROSACEAE ABk     du roi   & "Hybrid Index 2-2-2-2" [Large fls.]    l1.~ sugar island. Rosales 2p m       ROADSIDE. ~ W4   SPIRAEA ALBA </GIC 
{"catalogNumber": "1471182", "order": "Rosales", "family": "Rosaceae", "scientificName": "Spiraea alba", "scientificNameAuthorship": "Du Roi", "genus": "", "subgenus": "", "specificEpithet": "alba", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Agnes R. Kugel", "recordNumber": "1237", "verbatimEventDate": "1950-08-22", "habitat": "Roadside.", "occurrenceRemarks": "\"Hybrid Index 2-2-2-2\" [Large fls.]", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Chippewa", "municipality": "", "locality": "Sugar Island.", "decimalLatitude": "", "decimalLongitude": "-84.216698", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}