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": ""}
 +@@u DALLAS    texas  %Y M   Ge cyrus l. lundell &; amelia a. lundell  kp2;E CAREX  7V+X  10592  a .F cyperaceae Poales D   XO] MICRODONTA    err crex microdonta      6 noth end of white rck lake.  6iK 1941-05-14    united states F Wv  1378852 m8   torr. & hook. # 
{"catalogNumber": "1378852", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex microdonta", "scientificNameAuthorship": "Torr. & Hook.", "genus": "Carex", "subgenus": "", "specificEpithet": "microdonta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Cyrus L. Lundell & Amelia A. Lundell", "recordNumber": "10592", "verbatimEventDate": "1941-05-14", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Dallas", "municipality": "", "locality": "North end of White Rock Lake.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}