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": ""}
 1939-06-19 e  MALPIGHIALES 4 Ku+      Z  Michx.  1458159 8Q     E |, salicaceae   841D_ SALIX ERIOCEPHALA   x+ Thunder Bay   1*x about lat. 48â° 45' north, long. 86â° 15' west  8  kR CANADA  `oilr 1577  3nJ,Q SALIX  $&o ERIOCEPHALA peninsula. #c7S4     Ontario s 2E  thomas m.c. taylor, m. w. bannan & h. m. harrison K 
{"catalogNumber": "1458159", "order": "Malpighiales", "family": "Salicaceae", "scientificName": "Salix eriocephala", "scientificNameAuthorship": "Michx.", "genus": "Salix", "subgenus": "", "specificEpithet": "eriocephala", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Thomas M.C. Taylor, M. W. Bannan & H. M. Harrison", "recordNumber": "1577", "verbatimEventDate": "1939-06-19", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Thunder Bay", "municipality": "", "locality": "Peninsula.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "about Lat. 48\u00c2\u00b0 45' North, Long. 86\u00c2\u00b0 15' West", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}