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": ""}
-84.674318 n7     var.   Q5 45.538552   <XG~w 1931-07-04  united s tates    JOHN H. EHLERS * )5  VIRGINICA Q q      W SHREVEI 4789 v!   ORTH SHORE OF BURT LAKE. ij8SR  cheboygan x*U  Iridaceae SC    :+Dwk asparagales michigan p`U    IRIS )sk    ou>G3 1340215 Iris virginica var. shrevei u0BbL   kG   (Small) E.S. Anderson 
{"catalogNumber": "1340215", "order": "Asparagales", "family": "Iridaceae", "scientificName": "Iris virginica var. shrevei", "scientificNameAuthorship": "(Small) E.S. Anderson", "genus": "Iris", "subgenus": "", "specificEpithet": "virginica", "verbatimTaxonRank": "var.", "infraspecificEpithet": "shrevei", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "4789", "verbatimEventDate": "1931-07-04", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Cheboygan", "municipality": "", "locality": "North shore of Burt Lake.", "decimalLatitude": "45.538552", "decimalLongitude": "-84.674318", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}