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": ""}
         1517723 nx O     X-< (KÃ¼K.) WIEGAND  7~ F* livingston    9Vx carex annectens var. xanthocarpa  Sy xanthocarpa   carex `b    united states Vd Uj   U   poales  bbr 2 ANNECTENS cyperaceae `A s 
{"catalogNumber": "1517723", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex annectens var. xanthocarpa", "scientificNameAuthorship": "(K\u00c3\u00bck.) Wiegand", "genus": "Carex", "subgenus": "", "specificEpithet": "annectens", "verbatimTaxonRank": "", "infraspecificEpithet": "xanthocarpa", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Livingston", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}