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": ""}
   Carex brunnescens   @o-  brunnescens ,.cx   < 1364737  (pers.) poir. a0   CYPERACEAE P      ~/!(8 Ontario  # CANADA   0 A carl o. grassl CAREX 8kL#?   algoma R-z    4386 Z   on island near white gravel river. `.    DrI Poales
{"catalogNumber": "1364737", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex brunnescens", "scientificNameAuthorship": "(Pers.) Poir.", "genus": "Carex", "subgenus": "", "specificEpithet": "brunnescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "4386", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Algoma", "municipality": "", "locality": "On island near White Gravel River.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}