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": ""}
  MPG 1364676   t 8~  1986-06-18   cW ?/United States  L 1372  <4(9/ VIRGINIA Cyperaceae towU     6077  %   Thomas F. Wiebldt p8,    CAREX BRUNNESCENS I$ )  Tazewell Beartown. Near the nead of Cove Branch, 0.6 mile W of Beartown summit & 4.7 miles W of Burkes Garden P.O. kx >    Carex !+^   2=(P  POALES   _di&. TAZEWELL BRUNNESCENS R2   (PERS.) POIR. [!   
{"catalogNumber": "1364676", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex brunnescens", "scientificNameAuthorship": "(Pers.) Poir.", "genus": "Carex", "subgenus": "", "specificEpithet": "brunnescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas F. Wieboldt", "recordNumber": "6077", "verbatimEventDate": "1986-06-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Tazewell", "municipality": "", "locality": "Tazewell Beartown. Near the nead of Cove Branch, 0.6 mile W of Beartown summit & 4.7 miles W of Burkes Garden P.O.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1372", "maximumElevationInMeters": ""}