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": ""}
  LF =  (rydb.) barkworth & d. r. dewey   canada nxi   recreation trail (former railway) east of twiddy road, 3.5-5 k m w of ivanhoe station (hwy. 62) %      PA5COPYRUM SMITHI pdm     Hastings E2it   poales w     ]*n# ontario     0,zo 43047 1557701 BPU  Poaceae    
{"catalogNumber": "1557701", "order": "Poales", "family": "Poaceae", "scientificName": "Pascopyrum smithii", "scientificNameAuthorship": "(Rydb.) Barkworth & D. R. Dewey", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "43047", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Hastings", "municipality": "", "locality": "Recreation trail (former railway) east of Twiddy road, 3.5-5 km W of Ivanhoe Station (Hwy. 62)", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}