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": ""}
 s4:- DROKPO YOKMA, LAHUL, KANGRA, PUNJAB  |933-08-30 /:   ^ robusta  P 6917       RZnL brachyactis robusta  o LAHAUL AND SPITI     ! e, BRACHYACTIS   & BENTH.    Himachal Pradesh bw      ,wY 1537946  
{"catalogNumber": "1537946", "order": "", "family": "", "scientificName": "Brachyactis robusta", "scientificNameAuthorship": "Benth.", "genus": "Brachyactis", "subgenus": "", "specificEpithet": "robusta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "6917", "verbatimEventDate": "1933-08-30", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Himachal Pradesh", "county": "Lahaul and Spiti", "municipality": "", "locality": "Drokpo Yokma, Lahul, Kangra, Punjab", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}