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": ""}
    AJ   POALES  BOOTT o+0!:   6! hg milton hopkins  iJ~O ENERVIS   1937-05-07 (A)Q      CAREX wMUEHLENBERGII VAR. ENERVIS gBfTH   hf[ muehlenbergii     `RN var.   B[6: Oklahoma  iZF48 7 MILES WEST 0F MCALESTER.  pittsburg Bs<   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex muehlenbergii var. enervis", "scientificNameAuthorship": "Boott", "genus": "", "subgenus": "", "specificEpithet": "muehlenbergii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "enervis", "identifiedBy": "", "recordedBy": "Milton Hopkins", "recordNumber": "", "verbatimEventDate": "1937-05-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Oklahoma", "county": "Pittsburg", "municipality": "", "locality": "7 miles west of McAlester.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}