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": ""}
   WALTER N. KOELZ   Hd   kyelang, lahoul rILlp  sonchus oleraceus MU^YR   O.R garden wall sonchus 2&6  1539532 O3   asterceae u0*NL   0 z^> asteales  L.   >   N%l HIMACHAL PRADESH  Lahaul and Spiti WnD    %NfC 416    7&%T india    ( !  1930-07-17  = olerac3us 3109   
{"catalogNumber": "1539532", "order": "Asterales", "family": "Asteraceae", "scientificName": "Sonchus oleraceus", "scientificNameAuthorship": "L.", "genus": "Sonchus", "subgenus": "", "specificEpithet": "oleraceus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "416", "verbatimEventDate": "1930-07-17", "habitat": "Garden wall", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Lahaul and Spiti", "municipality": "", "locality": "Kyelang, Lahoul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3109", "maximumElevationInMeters": ""}