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": ""}
 willd. ~  Malpighiales v  1491728 Z    -Cc!  [Specimen in bound Nathan J. Stone Herbarium, no. 19]   L7CV united tstates  3 1893-05-26  ]Dl* NATHAN J. STONE   VIOLA MNa=   &W-R harvey e. ballard, jr. Viola sororia 9ib(     E, SORORIA  e? 1.2 mi w of albion    cazlhoun bz)>   low shady soil |  Violaceae c  S.N. ;@Wd    MICHIGAN Zi2C 
{"catalogNumber": "1491728", "order": "Malpighiales", "family": "Violaceae", "scientificName": "Viola sororia", "scientificNameAuthorship": "Willd.", "genus": "Viola", "subgenus": "", "specificEpithet": "sororia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Harvey E. Ballard, Jr.", "recordedBy": "Nathan J. Stone", "recordNumber": "s.n.", "verbatimEventDate": "1893-05-26", "habitat": "low shady soil", "occurrenceRemarks": "[Specimen in bound Nathan J. Stone Herbarium, no. 19]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Calhoun", "municipality": "", "locality": "1.2 mi W of Albion", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}