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": ""}
   FkD 8473  1710386  `OS      1935-11-17 2/   Saccharum D     [ SUMATRA   <Iqk SACCHARUM ARUNDINACEUM      w^^M| asahan  %#LNq Retz. [exc|uded]    <KYL poales  rahmat si boeea Xh578   
{"catalogNumber": "1710386", "order": "Poales", "family": "", "scientificName": "Saccharum arundinaceum", "scientificNameAuthorship": "Retz. [excluded]", "genus": "Saccharum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Rahmat Si Boeea", "recordNumber": "8473", "verbatimEventDate": "1935-11-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Sumatra", "county": "Asahan", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}