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": ""}
  zQK ONTARIO   Lu Cyperaceae     UTM 940615, Map 31F/12, Square 18TF96 n    n -77.645   u) BX MichaelJ. Oldham from oldham 6271  |   0t RENFREW   9  echinata       6271   ~   45.678 zQ=w  MURRAY !_   
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "Murray", "genus": "", "subgenus": "", "specificEpithet": "echinata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "6271", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "from Oldham 6271", "associatedTaxa": "", "country": "", "stateProvince": "Ontario", "county": "Renfrew", "municipality": "", "locality": "", "decimalLatitude": "45.678", "decimalLongitude": "-77.645", "verbatimCoordinates": "UTM 940615, Map 31F/12, Square 18TF96", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}