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": ""}
 Bx? 1403341  sand dune ^y    -   poales   rV aleutiams west  M Agrostis exarata  < 7438  Agrostis , K[    hansford t. shacklette q     h- poaceae ERIC HULTÃ©N Dfy?     Alaska 2cC8  UNITED STATES `n3k    fC amchitka island, near cyril cove   R 1966-08-11
{"catalogNumber": "1403341", "order": "Poales", "family": "Poaceae", "scientificName": "Agrostis exarata", "scientificNameAuthorship": "", "genus": "Agrostis", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Eric Hult\u00c3\u00a9n", "recordedBy": "Hansford T. Shacklette", "recordNumber": "7438", "verbatimEventDate": "1966-08-11", "habitat": "Sand dune", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alaska", "county": "Aleutians West", "municipality": "", "locality": "Amchitka Island, near Cyril Cove", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}