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": ""}
  Thnq 1400747  clarendon  ^iU     Rhynchospora I#S  l.j. uttal  73 g             sHPoales   j mixta 1986-05-23 FILzO   )1 rhynchospora mixta  u r9j 1ST DIRT ROAD TO E OF TAWCAW BRIOGE ON SC 127.   
{"catalogNumber": "1400747", "order": "Poales", "family": "", "scientificName": "Rhynchospora mixta", "scientificNameAuthorship": "", "genus": "Rhynchospora", "subgenus": "", "specificEpithet": "mixta", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L.J. Uttal", "recordNumber": "", "verbatimEventDate": "1986-05-23", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Clarendon", "municipality": "", "locality": "1st dirt road to E of Tawcaw bridge on SC 127.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}