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": ""}
 8 ASAHAN  North Sumatra A^>_x   Piper betle :,+NU    L*9;E BETLE  3.?G PIPERALES   Piper 9.p    @ T4| Indonesia        l. 7737 Z      1641712 $    S#%   Vale of Tangga 1927-05 R1 
{"catalogNumber": "1641712", "order": "Piperales", "family": "", "scientificName": "Piper betle", "scientificNameAuthorship": "L.", "genus": "Piper", "subgenus": "", "specificEpithet": "betle", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "7737", "verbatimEventDate": "1927-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Indonesia", "stateProvince": "North Sumatra", "county": "Asahan", "municipality": "", "locality": "Vale of Tangga", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}