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": ""}
 OW7 (L.) KUNTH    United States z&      + 1428008  MmV mary e. wharton scirpus c1WE  cyperaceae nvF   #H: 1940-08-10 Kentucky ^@Ms     r/rC% 2.5 MILES NW OF STANTON Scirpus cyperinu L    5727b ,hvr        MVj POWELL
{"catalogNumber": "1428008", "order": "", "family": "Cyperaceae", "scientificName": "Scirpus cyperinus", "scientificNameAuthorship": "(L.) Kunth", "genus": "Scirpus", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Mary E. Wharton", "recordNumber": "5727b", "verbatimEventDate": "1940-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Powell", "municipality": "", "locality": "2.5 miles NW of Stanton", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}