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": ""}
 1931-08-10   2ir  c. o. grassl A   C THUNDER BAY UTRICULARIA INTERMEDIA     Lentibulariaceae K-X<&      48â° 6' n. 86â° 3' w.  Gk    g  48.1    or N Canada        intermedia ! mG     1661558   ?OI7  6249
{"catalogNumber": "1661558", "order": "", "family": "Lentibulariaceae", "scientificName": "Utricularia intermedia", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "intermedia", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "C. O. Grassl", "recordNumber": "6249", "verbatimEventDate": "1931-08-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Thunder Bay", "municipality": "", "locality": "", "decimalLatitude": "48.1", "decimalLongitude": "", "verbatimCoordinates": "48\u00c2\u00b0 6' N. 86\u00c2\u00b0 3' W.", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}