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": ""}
 6 3?3 rosaceae   1937-10-15  %@    -84.06667 ?~<    _jH carl o. grassl   |(4( rosales  42.35 2IJ   A,K  ON NE SIDE OF CASSIDY LAKE. UNITED STATES kko  SPIRAEA TOMENTOSA ZCo   7+U spiraea in sedgey margin. xQlc:   ]) = 1471327  7 tomentosa Washtenaw ,`P     7746  CM2Q  michigan |J)  
{"catalogNumber": "1471327", "order": "Rosales", "family": "Rosaceae", "scientificName": "Spiraea tomentosa", "scientificNameAuthorship": "", "genus": "Spiraea", "subgenus": "", "specificEpithet": "tomentosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "7746", "verbatimEventDate": "1937-10-15", "habitat": "In sedgey margin.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "On NE side of Cassidy Lake.", "decimalLatitude": "42.35", "decimalLongitude": "-84.06667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}