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": ""}
   E=$U/ 38.758333      B CYPERACEAE Willd. r       BRUSH CREEK TWP, SPRING GLEN, CLINE RD ALONG ELLIS RUN, 1 MI S OF LYNX. w/v     @ y  Anton A. Reznicek 1991-05-06 RX   carex sterilis a[2      3@.XD CAREX Ohio  o   
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "Carex sterilis", "scientificNameAuthorship": "Willd.", "genus": "Carex", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "", "verbatimEventDate": "1991-05-06", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ohio", "county": "", "municipality": "", "locality": "Brush Creek Twp, Spring Glen, Cline Rd along Ellis Run, 1 mi S of Lynx.", "decimalLatitude": "38.758333", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}