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": ""}
    `N 9312  HlIV9 1137490   8chn Contact UM Herbarium  : e6v CYPERACEAE  perplexa tB Q@   1946-10-08 E3,     w rhynchospora perplexa  DominicanRepublic V^4   R. A. & E. S. Howard E O      f britton      UxF2 poales
{"catalogNumber": "1137490", "order": "Poales", "family": "Cyperaceae", "scientificName": "Rhynchospora perplexa", "scientificNameAuthorship": "Britton", "genus": "", "subgenus": "", "specificEpithet": "perplexa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R. A. & E. S. Howard", "recordNumber": "9312", "verbatimEventDate": "1946-10-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Dominican Republic", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}