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": ""}
  x7%k] SCOTTY BAY  1920-09-15 uHS    ` JOHN H. EHLERS  +.B f.    -&~V 45.975853  > canadensis L. X   -q`_  UNITED STATES POALES ]_  ELYMUS G`$  POACEAE P(     + elymus canadensis f. canadensis   1412 |3y  DRY SANDY SOIL, I    canademsis s    Michigan +BMtd 
{"catalogNumber": "", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus canadensis f. canadensis", "scientificNameAuthorship": "L.", "genus": "Elymus", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "f.", "infraspecificEpithet": "canadensis", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "1412", "verbatimEventDate": "1920-09-15", "habitat": "Dry sandy soil,", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "", "municipality": "", "locality": "Scotty Bay", "decimalLatitude": "45.975853", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}