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": ""}
oconee 1b^>     @TDsH 921   1986-06-17 $@   Arundinaria gigantea a      Z poales  tD 3? UNITED STATES 1406144 4N         contact um herbarium  m   gigantea t  ),   b=[^< ARUNDINARIA  t? (walter) muhl.   
{"catalogNumber": "1406144", "order": "Poales", "family": "", "scientificName": "Arundinaria gigantea", "scientificNameAuthorship": "(Walter) Muhl.", "genus": "Arundinaria", "subgenus": "", "specificEpithet": "gigantea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "921", "verbatimEventDate": "1986-06-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Oconee", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}