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": ""}
 ,b united states    9R -83.74389  2 SMITHII POALES Z <L<       1972-09-20 NC   SCHOENOPLECTIELLA SMITHII VAR. SMITHII BEC       sx;vL VAR.      06bF whitmore lake at public access si7e, greenoak twp.   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Schoenoplectiella smithii var. smithii", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "smithii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1972-09-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Whitmore Lake at Public Access Site, Greenoak Twp.", "decimalLatitude": "", "decimalLongitude": "-83.74389", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}