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": ""}
    ONTARIO Rvq5  pallescens B          CAREX gT     YL 10736   w MCGILLIVRAY TOWNSHIP, 8.6 KM NNE OF PARKHILL POST OFFICE, PROPOSED MAWSON QUARRY SITE.  vrb  1990-05-15  *: cyperaceae Canada N-!      utm 478870, map 40p/4, square 17mt48 ,Bi 
{"catalogNumber": "", "order": "", "family": "Cyperaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Carex", "subgenus": "", "specificEpithet": "pallescens", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "10736", "verbatimEventDate": "1990-05-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "McGillivray Township, 8.6 km NNE of Parkhill Post Office, proposed Mawson quarry site.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "UTM 478870, Map 40P/4, Square 17MT48", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}