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": ""}
   1990-05-05 U6V2   Y1y OUACHITA N>ATIONAL FOREST, RICH MOUNTAIN, KIAMICHI VALLEY VISTA CA 9.2 MI W OF OKLAHOMA/ARKANSAS STATE LINE: ON SH 1.    mMw$ OKLAHOMA  WF ? le flore  CAREX LAXIFLORA  ~        Vd+ 17790  trs: t3n r26e sec 33 sw1/4 J  CAREX v6      UNITD STATES  9Si$    
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex laxiflora", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "17790", "verbatimEventDate": "1990-05-05", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Oklahoma", "county": "Le Flore", "municipality": "", "locality": "Ouachita National Forest, Rich Mountain, Kiamichi Valley Vista ca 9.2 mi w of Oklahoma/Arkansas State line on SH 1.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T3N R26E sec 33 SW1/4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}