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": ""}
 oBv1f 1644012      SM n side of seine bay, rainy lake  -y open rock outcrops near shore     fragilis Dd15    wh@ M. J. Oldham, W. D. Bakowsky & D. MgLeod Canada X   Cactaceae a W   1999-06-15   cI   (NUTT.) HAW. 4` _   21973 o    O! Opuntia ogpuntia fragilis kL   Z6 1& 48 deg. 40.17 min. 92 deg. 51.1 min  
{"catalogNumber": "1644012", "order": "", "family": "Cactaceae", "scientificName": "Opuntia fragilis", "scientificNameAuthorship": "(Nutt.) Haw.", "genus": "Opuntia", "subgenus": "", "specificEpithet": "fragilis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "M. J. Oldham, W. D. Bakowsky & D. McLeod", "recordNumber": "21973", "verbatimEventDate": "1999-06-15", "habitat": "open rock outcrops near shore", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "", "municipality": "", "locality": "N side of Seine Bay, Rainy Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "48 deg. 40.17 min. 92 deg. 51.1 min", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}