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": ""}
ON SANDYC S-FACING SLOPE UNDER WHITE CEDAR, PINE, AND ASPEN 500 FT. W. OF DAM AT W. END OF SUNKEN LAKE IN FLETCHER PARK S. OF POSEN. 2d^m?    ,:A 45.212306 united states $      3 boott         N wzc carexp eburnea  1C Carex     anton a. reznicek J      
{"catalogNumber": "", "order": "", "family": "", "scientificName": "Carex eburnea", "scientificNameAuthorship": "Boott", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "On sandy S-facing slope under white cedar, pine, and aspen 500 ft. W. of dam at W. end of Sunken Lake in Fletcher Park S. of Posen.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "", "decimalLatitude": "45.212306", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}