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": ""}
     ANADENDRUM MICROSTACHYUM a           T C-= NORTH SUMATR9A  RAHMAT SI OROEsS (#:   bI Anadendrum   !a8# 1664280    j# dan h. nicolson  U Labuhan Batu   1932-05-28 zX 
{"catalogNumber": "1664280", "order": "", "family": "", "scientificName": "Anadendrum microstachyum", "scientificNameAuthorship": "", "genus": "Anadendrum", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Dan H. Nicolson", "recordedBy": "Rahmat Si Toroes", "recordNumber": "", "verbatimEventDate": "1932-05-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "North Sumatra", "county": "Labuhan Batu", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}