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": ""}
 500 hw    Ib~ United States    )iMr schweinitzii    R Virginia   thomas f. wieboldt Rv5w  1993-05-11 D dZ  carex schweinitzii    carex y    montgomery 1Re,[    4 7* lower kettle hollow about 0.5 km sw of den creek & st rt 641, 3.8 km se of ellett.    cyperaceae  y?oA  1385991 5E 22   
{"catalogNumber": "1385991", "order": "", "family": "Cyperaceae", "scientificName": "Carex schweinitzii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "schweinitzii", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas F. Wieboldt", "recordNumber": "", "verbatimEventDate": "1993-05-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Virginia", "county": "Montgomery", "municipality": "", "locality": "Lower Kettle Hollow about 0.5 km SW of Den Creek & St Rt 641, 3.8 km SE of Ellett.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "500", "maximumElevationInMeters": ""}