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": ""}
 $: Bruce D. Parfitt    -^ Caryophyllales CACTACEAE S     1644425 S /6   ?E  opuntia polyacantha var. polyacantha POLYACANTHA 7 ` =   uT<V) John Macoun  opuntia CO D.  10652 5gGaL   #O=eK WARNER NO. 5   EV polyacantha  [Z alberta  | f` var.   ]  1895-07-15   X~L haw.    g!/b milk river 
{"catalogNumber": "1644425", "order": "Caryophyllales", "family": "Cactaceae", "scientificName": "Opuntia polyacantha var. polyacantha", "scientificNameAuthorship": "Haw.", "genus": "Opuntia", "subgenus": "", "specificEpithet": "polyacantha", "verbatimTaxonRank": "var.", "infraspecificEpithet": "polyacantha", "identifiedBy": "Bruce D. Parfitt", "recordedBy": "John Macoun", "recordNumber": "10652", "verbatimEventDate": "1895-07-15", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "Alberta", "county": "Warner No. 5", "municipality": "", "locality": "Milk River", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}