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": ""}
CANADA JHr+XW  ontario ~:   carex gracilescens         IzP & BERTIE TWP, NAVY ISLAND, NIAGA$RA RIVER.      i U Steud.  74p  1981-06-11    CYPERACEAE $+>RY    anton a. reznicek & paul m. catling `4_L   1371471 ^,  poales      
{"catalogNumber": "1371471", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex gracilescens", "scientificNameAuthorship": "Steud.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Anton A. Reznicek & Paul M. Catling", "recordNumber": "", "verbatimEventDate": "1981-06-11", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Bertie Twp, Navy Island, Niagara River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}