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": ""}
        y) Dewey CAREX NEBRASCENSIS :j ns   Cyperaceae  utn  1829 ia     V,7 1993-06-23  9T 1475417  s^yb2 Poales   e@  anton a. reznicek   Bi-2 idaho SITE 6 ON MAP. 2/kV   VLLEY qeU        
{"catalogNumber": "1475417", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex nebrascensis", "scientificNameAuthorship": "Dewey", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1993-06-23", "habitat": "", "occurrenceRemarks": "Site 6 on map.", "associatedTaxa": "", "country": "", "stateProvince": "Idaho", "county": "Valley", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "1829", "maximumElevationInMeters": ""}