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": ""}
var. 4%RjB    united states 5ar     BURKE E2N]    g1qr CAREX RUGOSPERMA vyzA:    9 tonsa -81.91096 [kc  cyperaceae N    C 3778 2010-04-16  xU   Poales       k CONTACT UM HERBARIUM 35.93047 G.     NORTH CAROLINA o2#     | )  CARL J. ROTHFELS
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "tonsa", "verbatimTaxonRank": "var.", "infraspecificEpithet": "rugosperma", "identifiedBy": "", "recordedBy": "Carl J. Rothfels", "recordNumber": "3778", "verbatimEventDate": "2010-04-16", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "North Carolina", "county": "Burke", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "35.93047", "decimalLongitude": "-81.91096", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}