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": ""}
 +3a Walter N. Koelz Rhamnus >  X  1829 i r;   rosales Hl]    roxb. d    f_ shrubby ravine   jr*> Himachal Pradesh  V VIRGATA  !/D!z KULLU NAGGA`R, KULU T%gC     1506464 /=    _3h 1931-04-21    oE india   Aq 1903 rhamnaceae ~on3   Rhamnus virgata C3     
{"catalogNumber": "1506464", "order": "Rosales", "family": "Rhamnaceae", "scientificName": "Rhamnus virgata", "scientificNameAuthorship": "Roxb.", "genus": "Rhamnus", "subgenus": "", "specificEpithet": "virgata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "1903", "verbatimEventDate": "1931-04-21", "habitat": "Shrubby ravine", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Kullu", "municipality": "", "locality": "Naggar, Kulu", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}