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": ""}
2001-08-14 e  PRAEGRACILIS w        ,eo WALTER KRIVDA   Nb  1383734  ?Msbf VAR.   Manitoba T    - mature seed.    +f/h/ Canada praegracilis C;=1    CYPERACEAE  ooi   Z Carex praegracilis var. praegracilis poales !`3  CAREX 9uC    8 01-169
{"catalogNumber": "1383734", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex praegracilis var. praegracilis", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "praegracilis", "verbatimTaxonRank": "var.", "infraspecificEpithet": "praegracilis", "identifiedBy": "", "recordedBy": "Walter Krivda", "recordNumber": "01-169", "verbatimEventDate": "2001-08-14", "habitat": "", "occurrenceRemarks": "Mature seed.", "associatedTaxa": "", "country": "Canada", "stateProvince": "Manitoba", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}