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": ""}
  R!0 Cyperaceae  V  Ohio   ottawa 8AK6_  20713 4         l  floor of marblehead qvarry, 0.2 mi w, hartshorn rd & 0.2-0.3 mi s, st rt 163, d4nbury twp, gypsum quad.    R: United States umbellata DJA    zqq ALLISON W. CUSICK   iyl carex umbellata  1390638 ?+  carex )zRL8  POALES t  1981-05-21 M&QI    k Schkuhr ex Willd.
{"catalogNumber": "1390638", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex umbellata", "scientificNameAuthorship": "Schkuhr ex Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "umbellata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Allison W. Cusick", "recordNumber": "20713", "verbatimEventDate": "1981-05-21", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Ohio", "county": "Ottawa", "municipality": "", "locality": "Floor of Marblehead Quarry, 0.2 mi W, Hartshorn Rd & 0.2-0.3 mi S, St Rt 163, Danbury Twp, Gypsum Quad.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}