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": ""}
    &iot Carex   ZMm Arkansas   nevada _E    7bGx united states     Z 1999-05-01  MV,C about 3-4 miles ne of reader (and from arkansas highway 24, 1.0 miles ne of ark, hwy. 53 at nevada county road 419)0.1 miles ne to snake branch (creek). var. NdZN   :H&J CYPERACEAE  U 1361257  ? annectens  z7 Philip E. Hyatt TRS: T12S R20W SEC 10 NW4OFSW4 bSgO   NU 7a 8T468 poales 8   [x   Carex annectens var. annectens annectens P8wi  
{"catalogNumber": "1361257", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex annectens var. annectens", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "annectens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "annectens", "identifiedBy": "", "recordedBy": "Philip E. Hyatt", "recordNumber": "8468", "verbatimEventDate": "1999-05-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Arkansas", "county": "Nevada", "municipality": "", "locality": "About 3-4 miles NE of Reader (and from Arkansas Highway 24, 1.0 miles NE of Ark, Hwy. 53 at Nevada County Road 419) 0.1 miles NE to Snake Branch (Creek).", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T12S R20W sec 10 NW4ofSW4", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}