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": ""}
   k CITY OF LONDON, BYRON GRAVEL PIT.  6i14 carex pensylvanica     [,k% Ontario  !/g Cyperaceae   BF,g< CAREX  pensylvanica ? g   m2 ?$ 1992-05-22 1382668 Px       #J e7 michael j. oldham  6[ 136 91b  middlesex yie   uf|  POALES  bE Canada  UTM 742542, MAP 40I/14, SQUARE 17MT75 d<M5    lam. We0m 
{"catalogNumber": "1382668", "order": "Poales", "family": "Cyperaceae", "scientificName": "Carex pensylvanica", "scientificNameAuthorship": "Lam.", "genus": "Carex", "subgenus": "", "specificEpithet": "pensylvanica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "13691b", "verbatimEventDate": "1992-05-22", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Middlesex", "municipality": "", "locality": "City of London, Byron gravel pit.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 742542, Map 40I/14, Square 17MT75", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}