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": ""}
 6 cyperaceae    dg!Ob Eriophorum chamissonis       G-b NEAR CONSTANTINE HARBOR, AMCHITKA ISLAND, ALEUTIAN% CHAIN.  hansford t. shacklette DtU   Alaska x   x- & 1966-08-11   tl 7428   United States v y      CHAMISMSONIS I.P     
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Eriophorum chamissonis", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "chamissonis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Hansford T. Shacklette", "recordNumber": "7428", "verbatimEventDate": "1966-08-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "", "municipality": "", "locality": "Near Constantine Harbor, Amchitka Island, Aleutian Chain.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}