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$] aster dumosus   /<x asteraceae  79  L.   %!Pf 1198907 ontario 6     Aster I     K asterales LAMBTON V[61   DUMOSUS M<2x)   @k& 1892-09-10  j t.c. wheatley     : m CANADA  Contact UM Herbarium Ek4t    ux S.N. 
{"catalogNumber": "1198907", "order": "Asterales", "family": "Asteraceae", "scientificName": "Aster dumosus", "scientificNameAuthorship": "L.", "genus": "Aster", "subgenus": "", "specificEpithet": "dumosus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "T.C. Wheatley", "recordNumber": "s.n.", "verbatimEventDate": "1892-09-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Lambton", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}