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": ""}
      @Lol= microstegium nudum POACEAE -3kW    JAPN z3,   (Trin.) A.Camus =   z 0 s.n. POALES +cu S   1708495 lk D     ,SSS  NUDUM MICROSTEGIUM O   ; k. hisauti   V.!V5 no data  trk)p (lokya)    1921 M=^BN 
{"catalogNumber": "1708495", "order": "Poales", "family": "Poaceae", "scientificName": "Microstegium nudum", "scientificNameAuthorship": "(Trin.) A.Camus", "genus": "Microstegium", "subgenus": "", "specificEpithet": "nudum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "K. Hisauti", "recordNumber": "s.n.", "verbatimEventDate": "1921", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Japan", "stateProvince": "no data", "county": "", "municipality": "", "locality": "(Lokya)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}