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": ""}
    u41 1868-07  ^  48.106955 flexuosa DX-,    Z A ISLE ROYALE  :Ln MICHIGAN   s.n. k (?/  1212582 h$z   Avenella flexuosa 5    ^ POACEAE   -88.546117 8Zzd   a.e. foote ZH<e   W KEWEENAW  .WNy poale&s United States |   (L.) Drej3r o.  Avenella q 
{"catalogNumber": "1212582", "order": "Poales", "family": "Poaceae", "scientificName": "Avenella flexuosa", "scientificNameAuthorship": "(L.) Drejer", "genus": "Avenella", "subgenus": "", "specificEpithet": "flexuosa", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A.E. Foote", "recordNumber": "s.n.", "verbatimEventDate": "1868-07", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Keweenaw", "municipality": "", "locality": "Isle Royale", "decimalLatitude": "48.106955", "decimalLongitude": "-88.546117", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}