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 g4=[    t)ft5 carex  ocu 4882 1987-03-23 7%2  Schwein. ]       d  JUST ABOVE FLOODPLAIN OF RED RIVER, CA 2.8 MI FROM FS RD 923 & TX 273 JCT OFF FS RD 923, CA 2.4 MI W OF DUPLEX TO W & SW OF LAKE FANNIN, YUKA 7.5' QUAD. CADDO NATIONAL GRASSL4ND.  tp& 33â° 46' 40" n 96â° 08' 46" w  8kP 33.777778     152 R  texas Z  cherokeensis YD     steve l. orell & edw in l. bridges  gi[ CYPERACEAE 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Schwein.", "genus": "Carex", "subgenus": "", "specificEpithet": "cherokeensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Steve L. Orzell & Edwin L. Bridges", "recordNumber": "4882", "verbatimEventDate": "1987-03-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "", "municipality": "", "locality": "Just above floodplain of Red River, ca 2.8 mi from FS Rd 923 & TX 273 jct off FS Rd 923, ca 2.4 mi W of Duplex to W & SW of Lake Fannin, Yuka 7.5' Quad. Caddo National Grassland.", "decimalLatitude": "33.777778", "decimalLongitude": "", "verbatimCoordinates": "33\u00c2\u00b0 46' 40\" N 96\u00c2\u00b0 08' 46\" W", "minimumElevationInMeters": "152", "maximumElevationInMeters": ""}