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": ""}
 r4 Carex pallHescens var. neogaea    cyperaceae f    ~ CHARLES D. RICHARDS FREDERICK J. HERMANN !#  r   /&sf~ UAR.    l OPEN HILLSIDE.   EpK]l 47.11243     MICHIGAN HOUGHTN zUTV    1950-08-01 ah    KR 3911      >P4 pallescens 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex pallescens var. neogaea", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "pallescens", "verbatimTaxonRank": "var.", "infraspecificEpithet": "", "identifiedBy": "Frederick J. Hermann", "recordedBy": "Charles D. Richards", "recordNumber": "3911", "verbatimEventDate": "1950-08-01", "habitat": "Open hillside.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Michigan", "county": "Houghton", "municipality": "", "locality": "", "decimalLatitude": "47.11243", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}