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": ""}
 Canada x5    KENT 5 %      P+R 5C439   1985-08-18 HMv  Michael J. Oldham yv[t   waltei k|W(;&     Gm echinochloa walteri  >hN)q ontario 1411676  >=D  (pursh) a. heller MJ   POACEAE `e+   g ~  Poales    
{"catalogNumber": "1411676", "order": "Poales", "family": "Poaceae", "scientificName": "Echinochloa walteri", "scientificNameAuthorship": "(Pursh) A. Heller", "genus": "", "subgenus": "", "specificEpithet": "walteri", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "5439", "verbatimEventDate": "1985-08-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "Kent", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}