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": ""}
  Sam R. Brinker S(     canada  O/ E  1450755 lU    .  contact um herbarium  wkpI] cyperaceae  Carex bigelowii subsp. bigelowii El,40     h6 Ontario    BIGELOWII (uX   a(i 1745 subsp. |f  carex Qt3   X3l poales bigelowii 3!  
{"catalogNumber": "1450755", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex bigelowii subsp. bigelowii", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "bigelowii", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "bigelowii", "identifiedBy": "", "recordedBy": "Sam R. Brinker", "recordNumber": "1745", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}