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": ""}
  1931-04-02 J !  India Q*   cX<t brassica campestris WALTER N. KOELZ AnC   gX9qS Brassicales    BRASSICA u BoH  kullu H.aP   Fields Rx     1780 ka@IV    7Np CAMPESTRIS  @p%3R 1501017      NAGGAR, KULU 23 
{"catalogNumber": "1501017", "order": "Brassicales", "family": "", "scientificName": "Brassica campestris", "scientificNameAuthorship": "", "genus": "Brassica", "subgenus": "", "specificEpithet": "campestris", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "1780", "verbatimEventDate": "1931-04-02", "habitat": "Fields", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "", "county": "Kullu", "municipality": "", "locality": "Naggar, Kulu", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}