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": ""}
45535 :   CAREX LAXICULMIS VAR. LAXICULMIS a? I   LAXICULMIS 3  var. YJ)C  1964-06-07 R7   Cyperaceae Y  LAXICULMIS ht  carex  =   virginia F QJz  poales  s)/;   /l francis r. fosberg        0f united states    ^ 1375482 SHENANDOAH NATIONAL ARK, JINNY GRAY FIRE ROAD, ABOVE PINEY BRANCH TRAIL. g  
{"catalogNumber": "1375482", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex laxiculmis var. laxiculmis", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "laxiculmis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "laxiculmis", "identifiedBy": "", "recordedBy": "Francis R. Fosberg", "recordNumber": "45535", "verbatimEventDate": "1964-06-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "", "municipality": "", "locality": "Shenandoah National Park, Jinny Gray Fire Road, above Piney Branch Trail.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}