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": ""}
1916-08-19 _ CM_  Liliales Q!,   H elegans  -84.902792 +#/  20 rSqZ  melanthiaceae xi^!I  Anticlea elegans y[)x  EMMET Fh  Anticlea _   T( Michigan    1 1472291 45.746687  6/0-      &Dv sand dunes.  john h. ehlers L4Hxk    Te^h (pursh) rydb.  |( UNITED STATES   3:C BiYg Sto,ne Bay. 
{"catalogNumber": "1472291", "order": "Liliales", "family": "Melanthiaceae", "scientificName": "Anticlea elegans", "scientificNameAuthorship": "(Pursh) Rydb.", "genus": "Anticlea", "subgenus": "", "specificEpithet": "elegans", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "John H. Ehlers", "recordNumber": "203", "verbatimEventDate": "1916-08-19", "habitat": "Sand dunes.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Emmet", "municipality": "", "locality": "Big Stone Bay.", "decimalLatitude": "45.746687", "decimalLongitude": "-84.902792", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}