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": ""}
   t k SEQUOIA CAÃ±ON [CANYON]    oxalis cRq[     1504526/MH      CALIFORNIA r    1892-05 hk4   `a*  MICHENER & B|OLETTI oxalis oregana ^w:9  oxa|idaceae r     OREGANA ~   GRPM 50228 P~3;[ 
{"catalogNumber": "1504526", "order": "", "family": "Oxalidaceae", "scientificName": "Oxalis oregana", "scientificNameAuthorship": "", "genus": "Oxalis", "subgenus": "", "specificEpithet": "oregana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michener & Bioletti", "recordNumber": "", "verbatimEventDate": "1892-05", "habitat": "", "occurrenceRemarks": "GRPM 50228", "associatedTaxa": "", "country": "", "stateProvince": "California", "county": "", "municipality": "", "locality": "Sequoia Ca\u00c3\u00b1on [Canyon]", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}