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": ""}
399 [AhKb    pt 42.11421  e, carence r. hanes Frederick J. Hermann 7       SPRENG. N4=qO    1939-06-30 2r        CAREX ATHERODES  x     C)1 Borde&r of Islamd" marsh.   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex atherodes", "scientificNameAuthorship": "Spreng.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "Clarence R. Hanes", "recordNumber": "399", "verbatimEventDate": "1939-06-30", "habitat": "Border of \"Island\" marsh.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "42.11421", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}