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": ""}
 1521638 U@[:t     b9N arvensis HIMACHAL PRADESH 1 @W    CONVOLVULACEAE CJS   6 convolvulus 4rvensis   f2 Lahaul and Spiti  Walter N. Koelz !   1930-07-13 T3  ROCK SLOPE WITH CEDAR TREES BA    _A 329   ; convolvulus 3200 B   SOLANALES l8_q     UC?[ l. in[dia kl j<    C kyelang, lahul 
{"catalogNumber": "1521638", "order": "Solanales", "family": "Convolvulaceae", "scientificName": "Convolvulus arvensis", "scientificNameAuthorship": "L.", "genus": "Convolvulus", "subgenus": "", "specificEpithet": "arvensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Walter N. Koelz", "recordNumber": "329", "verbatimEventDate": "1930-07-13", "habitat": "Rock slope with cedar trees", "occurrenceRemarks": "", "associatedTaxa": "", "country": "India", "stateProvince": "Himachal Pradesh", "county": "Lahaul and Spiti", "municipality": "", "locality": "Kyelang, Lahul", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "3200", "maximumElevationInMeters": ""}