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": ""}
 UNITED STATES +C g     ili  carex tonsa    MIDLAND  I:   Nv -84.506226  fD( CAREX 43.756281 w   m Frederick J. Hermann    R.R. Dreisbach gNdpt    6707 u$Z     cyperaceae =   thicket. C  
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex tonsa", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "R.R. Dreisbach", "recordNumber": "6707", "verbatimEventDate": "", "habitat": "Thicket.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Midland", "municipality": "", "locality": "", "decimalLatitude": "43.756281", "decimalLongitude": "-84.506226", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}