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": ""}
  ~=s  1149 Poales rc   ~G ch. hashimoto microstegium rFT    L@c 1708491       Kansai QYe0B   $~?Z (TRIN.) A.CAMUS JAPAN HnS=-    #k nudum  1954-10-21 ^7+   Rq Honshu Kamakake in Oomi prov. 9N[vY  MICOSTEGIUM NUDUM  S    d g Poaceae   
{"catalogNumber": "1708491", "order": "Poales", "family": "Poaceae", "scientificName": "Microstegium nudum", "scientificNameAuthorship": "(Trin.) A.Camus", "genus": "Microstegium", "subgenus": "", "specificEpithet": "nudum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Ch. Hashimoto", "recordNumber": "1149", "verbatimEventDate": "1954-10-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Japan", "stateProvince": "Kansai", "county": "Honshu", "municipality": "", "locality": "Kamakake in Oomi prov.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}