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": ""}
    F carex utm 497988, map 52l/9, square 15wd49 h    M Car3x utriculata   VRi&O RAINY RIVER  2iM y 20210     E michael j. oldham    1997-07-18  Poales TL``   utriculata >n:8    Boott c#Y     ontario ~  Cyperaceae   
{"catalogNumber": "", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex utriculata", "scientificNameAuthorship": "Boott", "genus": "Carex", "subgenus": "", "specificEpithet": "utriculata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "20210", "verbatimEventDate": "1997-07-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Rainy River", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 497988, Map 52L/9, Square 15WD49", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}