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": ""}
 L. 1?x   6466 R3  ONTARIO /~    1307124 pZ2     Gu~z SPIRAEA TOMENTOSA  Se&[3 Anton A. Reznicek  QTm- spiraea rosaceae )H  ROSAES Q     d tomentosa  e5 Y SIMCOE     ^My( 1981-08-29  twJ CANADA  CONTACT UM HERBARIUM LU    
{"catalogNumber": "1307124", "order": "Rosales", "family": "Rosaceae", "scientificName": "Spiraea tomentosa", "scientificNameAuthorship": "L.", "genus": "Spiraea", "subgenus": "", "specificEpithet": "tomentosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "6466", "verbatimEventDate": "1981-08-29", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}