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": ""}
   KYELANG, LAHUL l_G     SONCHUS ARVENSIS 1Z      Qm 3048   w,NK Walter M.Koelz  F   Sonchus arvensis  k xGL L.  r 1036   b asteraceae  v HIMACHAL PRADESH    astrales !_  1930-08-12 JLmI     1539456  _ 
{"catalogNumber": "1539456", "order": "Asterales", "family": "Asteraceae", "scientificName": "Sonchus arvensis", "scientificNameAuthorship": "L.", "genus": "Sonchus", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "1036", "verbatimEventDate": "1930-08-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Himachal Pradesh", "county": "", "municipality": "", "locality": "Kyelang, Lahul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3048", "maximumElevationInMeters": ""}