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": ""}
   david f. murray LUGENS U&W     t57< subsp. 68.183333 oR^i      s KILLIK RIVER QUAD: VIC. LAKE KANIKSRAK, KILLIK R.  (holm) t.v. egorova rm2  -|54.15 ?! R  1973-07-17  Of     Carex bigel0wii subsp. lugens g     F Poales    :l 68Â° 11' N 154Â° 09' W  *$ 37   
{"catalogNumber": "", "order": "Poales", "family": "", "scientificName": "Carex bigelowii subsp. lugens", "scientificNameAuthorship": "(Holm) T.V. Egorova", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "subsp.", "infraspecificEpithet": "lugens", "identifiedBy": "", "recordedBy": "David F. Murray", "recordNumber": "4137", "verbatimEventDate": "1973-07-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "Killik River Quad: vic. Lake Kaniksrak, Killik R.", "decimalLatitude": "68.183333", "decimalLongitude": "-154.15", "verbatimCoordinates": "68\u00c2\u00b0 11' N 154\u00c2\u00b0 09' W", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}