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": ""}
8251 <b   6 [L PIPER CANINUM    u7 Simalungun   (7; piperales  Indonesia N   8Ymf 1641733 PIPER Z^u5   v6w AEK NA 6ERGER, BETWEEN DJEMA TOMBAK AND TARATAK, TANAH DJAWA, SIMELOE!NGOEN  Xw6 PIPERACEAE  - 1927-06-07  ad BLUME CANINUM Ji:   north sum4tra vcM     (Grn H. H. Bartlett      
{"catalogNumber": "1641733", "order": "Piperales", "family": "Piperaceae", "scientificName": "Piper caninum", "scientificNameAuthorship": "Blume", "genus": "Piper", "subgenus": "", "specificEpithet": "caninum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "H. H. Bartlett", "recordNumber": "8251", "verbatimEventDate": "1927-06-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Indonesia", "stateProvince": "North Sumatra", "county": "Simalungun", "municipality": "", "locality": "Aek na Gerger, between Djoema Tombak and Taratak, Tanah Djawa, Simeloengoen", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}