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": ""}
 d L S.N.   CANADA  L=k   2ZS|v Fallopia sachalinensis  Rb@ contact um herbarium       qglaB polygonaceae   vc (F. SCHMIDT EX MAXIM.) RONSE DECR.      l^O ONTARIO  -4 0 sachalinensis 1452563  Hz      Caryophyllales (Z   
{"catalogNumber": "1452563", "order": "Caryophyllales", "family": "Polygonaceae", "scientificName": "Fallopia sachalinensis", "scientificNameAuthorship": "(F. Schmidt ex Maxim.) Ronse Decr.", "genus": "", "subgenus": "", "specificEpithet": "sachalinensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "s.n.", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}