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": ""}
 ]Rx 7499 CAREX ÃSUBIMPRESA i[i   Carek L+R   zJ|R CLOKEY  1987-07-01 IH    %H michael j. oldham   :3zuG Ontario  Z1  ã subimpressa  POALES ?wk     AH cyperaceae       !M? CANADA  4k  1388766   
{"catalogNumber": "1388766", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex \u00c3\u0097 subimpressa", "scientificNameAuthorship": "Clokey", "genus": "Carex", "subgenus": "", "specificEpithet": "\u00c3\u0097 subimpressa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "7499", "verbatimEventDate": "1987-07-01", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}