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": ""}
UNITED STATES iyi    :! CAREX      NIGRICANS 3iT   4749 B    wR kit. Alaiska *bI)   H[ hansford t. shacklette   1Hm 84 carex nigricans^ OG4R;   omv   POALES VICINITY OF HAYDEN LTAKE, LATOUCHE ISLAND, PRINCE WILLIAM SOUND. ;t     X cyperaceae  NXk 1380453   1957-08-01 b9%   
{"catalogNumber": "1380453", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nigricans", "scientificNameAuthorship": "Kit.", "genus": "Carex", "subgenus": "", "specificEpithet": "nigricans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hansford T. Shacklette", "recordNumber": "4749", "verbatimEventDate": "1957-08-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Vicinity of Hayden Lake, Latouche Island, Prince William Sound.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "84", "maximumElevationInMeters": ""}