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": ""}
 1@-4 CAREX CANESCENS    CYPERACEE >z2t   POALES 1:/     CHARLES D. RICHARDS K,zP_   ,0 FREDERICK J. HERMANN United States /OmJD  1950-07-15 Eos#     ^  1320528  C2kwF MICHIGAN JACOBSVILLE QUARRY. N-  L. s     canescens l;P=    cu Houghton 
{"catalogNumber": "1320528", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex canescens", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "canescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "Charles D. Richards", "recordNumber": "", "verbatimEventDate": "1950-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "Jacobsville Quarry.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}