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": ""}
       Wh=O United States TRS: T9N R10E SEC 14 j,d+n   t carex venusta    ?4K 2818        1B Alabama   x robert f.c. naczi   FEt. VENUSTA dewey c      Uz 1.8 mi n of rtes 47-83 jct in midway, n of rte 47. 1991-04-28   
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex venusta", "scientificNameAuthorship": "Dewey", "genus": "", "subgenus": "", "specificEpithet": "venusta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert F.C. Naczi", "recordNumber": "2818", "verbatimEventDate": "1991-04-28", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Alabama", "county": "", "municipality": "", "locality": "1.8 mi N of rtes 47-83 jct in Midway, N of rte 47.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "TRS: T9N R10E sec 14", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}