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    ayzR 1949-09-05        ?L. perennans  ? along Goose Neck Creek northeast of Dollar Bay.  agrostis perennans 7w    Steep wooded slope >      AX 47.13445  v charles d. richards  g (WALTER) TUCK.  yK poales POACEAE d   -88.49495 n R3N 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Agrostis perennans", "scientificNameAuthorship": "(Walter) Tuck.", "genus": "", "subgenus": "", "specificEpithet": "perennans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1949-09-05", "habitat": "Steep wooded slope", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "along Goose Neck Creek northeast of Dollar Bay.", "decimalLatitude": "47.13445", "decimalLongitude": "-88.49495", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}