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": ""}
 -88.81667 aE    r /#x Contact UM Herbarium    t Rosaceae  Thunder Bay f      f^ potentilla  s&  i 23873  1987-07-20 IZYco    a -vW 48.33333       b]  canada   Ontario _ 
{"catalogNumber": "", "order": "", "family": "Rosaceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Potentilla", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "23873", "verbatimEventDate": "1987-07-20", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "48.33333", "decimalLongitude": "-88.81667", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}