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": ""}
   1n7 trachycaulus   6+_ ALONG TRAIL ON NOR7H SHORE OF FONT LAKE.    X 336     Beaver Island, T-39N, Sec. 28. +Ms +  ELYMUS TRACHYCAULUS kozF    ]R6 1287868 POALES iGP    t CHARLEVOIX    2-s E.U. CLOVER    1958-07-31 0  
{"catalogNumber": "1287868", "order": "Poales", "family": "", "scientificName": "Elymus trachycaulus", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "trachycaulus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E.U. Clover", "recordNumber": "336", "verbatimEventDate": "1958-07-31", "habitat": "Along trail on north shore of Font Lake.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Charlevoix", "municipality": "", "locality": "Beaver Island, T-39N, Sec. 28.", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}