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": ""}
  PM 1708481   h) 1930-04-09  rK M.R. HENDESON  i|P 23485  *Gv| (C.E.HUBB.) C.E.HUBB. POALES nN        uT(<O icrostegium PAHANG ! <^   BH4 M|CROSTEGIUM HENDERSONII  VN/5` no data   v MALAYSA no data provided on label of catalog no: 1708481 /iK    ?lWE HENDERSONII  BY STREAM, 3 TO 4 FEET TALL IN SLIGHT SHDE     0l? poaceae  
{"catalogNumber": "1708481", "order": "Poales", "family": "Poaceae", "scientificName": "Microstegium hendersonii", "scientificNameAuthorship": "(C.E.Hubb.) C.E.Hubb.", "genus": "Microstegium", "subgenus": "", "specificEpithet": "hendersonii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M.R. Henderson", "recordNumber": "23485", "verbatimEventDate": "1930-04-09", "habitat": "By stream, 3 to 4 feet tall in slight shade", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Malaysia", "stateProvince": "Pahang", "county": "no data", "municipality": "", "locality": "no data provided on label of catalog no: 1708481", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}