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": ""}
united states e)      1937-05-08  ESF  crittenden 8~    b g P.O. West Memphis.  H Arkansas  G) -90.184539  q%,l CAREX   Carex molesta z&  14893 Bg    X & poales     A CYPERACEAE  MOLESTA  0  O   
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex molesta", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "molesta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "14893", "verbatimEventDate": "1937-05-08", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Crittenden", "municipality": "", "locality": "P.O. West Memphis.", "decimalLatitude": "", "decimalLongitude": "-90.184539", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}