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": ""}
BRUNNESCENS 8t@$   carex brunnescens subsp. brunnescens% yM~     O Cyperaceae  B eq CONACT UM HERBARIUM    uNmG poales  If 2936  VZ 1450770   brunnescens A .SC   ROB MASSATTI *    E SUBSP.    =ki wyoming    O CAREX  UNITED STATES   
{"catalogNumber": "1450770", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex brunnescens subsp. brunnescens", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "brunnescens", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "brunnescens", "identifiedBy": "", "recordedBy": "Rob Massatti", "recordNumber": "2936", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Wyoming", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}