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": ""}
   ?a potentilla hippiana Contact UM Herbarium U  16536b (K?ot   ROSACEAE U     F4:Hf HIPPIANA  rosales st3    v Pf Lehm.  bQfMz ontario   M_h/ Thunder Bay   48.31667  EpH   1975-07-04 A`io   U) Potentilla    p 1196732 CANADA =|   u=g>Q -88.9 
{"catalogNumber": "1196732", "order": "Rosales", "family": "Rosaceae", "scientificName": "Potentilla hippiana", "scientificNameAuthorship": "Lehm.", "genus": "Potentilla", "subgenus": "", "specificEpithet": "hippiana", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "16536b", "verbatimEventDate": "1975-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "48.31667", "decimalLongitude": "-88.9", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}