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": ""}
  Echinochloa polystachya e8 #   LQ POLYSTACHYA  4zg contact um herbarium     0A poaceae  HUGH T. O'NEIL p  1936-09-16 %R  (Kunth) Hitchc. <7E  echinochloa 7L   1120909 @jh      BELIZE H      R=T frank w. gould  
{"catalogNumber": "1120909", "order": "", "family": "Poaceae", "scientificName": "Echinochloa polystachya", "scientificNameAuthorship": "(Kunth) Hitchc.", "genus": "Echinochloa", "subgenus": "", "specificEpithet": "polystachya", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frank W. Gould", "recordedBy": "Hugh T. O'Neill", "recordNumber": "", "verbatimEventDate": "1936-09-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Belize", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}