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": ""}
   2.0 miles north of louisiana on united states highway 167. between two large bridges along causeway over corney bayou.  ~  TRS: T19S R16W SEC 25 :=V f  Carex ]M$      ?!~ dewey   arkansas  O^            union T t    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Dewey", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Arkansas", "county": "Union", "municipality": "", "locality": "2.0 miles north of Louisiana on United States Highway 167. Between two large bridges along causeway over Corney Bayou.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T19S R16W sec 25", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}