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": ""}
     Uz 7493   POALES s Z   var.  $j  annectens ?;     l4f Essex    ANTON A. REZNICEK  ~d? (KÃ¼k.) Wiegand   Carex `gkR  colchester s. twp., conc. ii, lots 17-18 ga. 1 km w of arner, field on w side of cedar cBreek n of railway tracks n of hwy 18. Vv  cyperaceae Pa    kdf@ 1985-06-10  xanthocarpa z     vC@U Can4da Carex annectens var. xanthocarpa AL   1@R 1361381 
{"catalogNumber": "1361381", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex annectens var. xanthocarpa", "scientificNameAuthorship": "(K\u00c3\u00bck.) Wiegand", "genus": "Carex", "subgenus": "", "specificEpithet": "annectens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "xanthocarpa", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "7493", "verbatimEventDate": "1985-06-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Essex", "municipality": "", "locality": "Colchester S. Twp., conc. II, lots 17-18 ca. 1 km W of Arner, field on W side of Cedar Creek N of railway tracks N of Hwy 18.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}