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": ""}
 @ michigan   5O+#S 1216307   CF 45.825711  ey7l ON SANDY BEACH  E -87.048413  G~ united states Poales |   &bpj DELTA  CANADENSIS ON  ELYMUS v`x     A T carl o. grassl    0CiC elymus canadensis  6760  CZM   1934-08-02 `   +^ L. 1 MI. SOUTH OF GLADSTONE pwx   2%7* poaceae 
{"catalogNumber": "1216307", "order": "Poales", "family": "Poaceae", "scientificName": "Elymus canadensis", "scientificNameAuthorship": "L.", "genus": "Elymus", "subgenus": "", "specificEpithet": "canadensis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Carl O. Grassl", "recordNumber": "6760", "verbatimEventDate": "1934-08-02", "habitat": "On sandy beach", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Delta", "municipality": "", "locality": "1 mi. South of Gladstone", "decimalLatitude": "45.825711", "decimalLongitude": "-87.048413", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}