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": ""}
   ) 1973-06-01   W Cyperaceae       Nutt. K    3916 X# 8  CAREX t6(h    f ontario   &>Y8 SPARSLEY GRASSY AREA OF DRY SANDY FIELD.  a(lE canada simcoe ^C[!`  Carex aurea uYo#;   R.S.W. BOBBETTE NN `Z    
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex aurea", "scientificNameAuthorship": "Nutt.", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "R.S.W. Bobbette", "recordNumber": "3916", "verbatimEventDate": "1973-06-01", "habitat": "Sparsley grassy area of dry sandy field.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Simcoe", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}