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": ""}
     O ANDERSSON Salix G    j+*3 Salix pyrifolia    wfU CANADA         c peninsula     p ABOUT LAT. 48Â° 45' NORTH, LONG. 86Â° 15' WEST   =Z| 1549   G6A 1457342 ontario ^gy    s sB 1939-06-17 
{"catalogNumber": "1457342", "order": "", "family": "", "scientificName": "Salix pyrifolia", "scientificNameAuthorship": "Andersson", "genus": "Salix", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "1549", "verbatimEventDate": "1939-06-17", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Peninsula", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "about Lat. 48\u00c2\u00b0 45' North, Long. 86\u00c2\u00b0 15' West", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}