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": ""}
arabis holboellii var. retrofracta bJ)   @ Simcoe  1973-05-12  tv/e   brasOsicales MSE     canada X     zY+ 3927  brassicaceae   D    n(U Arabis  |=l, 1305950   T[ Ant=on A. Reznicek    Contact UM Herbarium yqKMb   f0vm holboellii retrofracta cI]/   v4r. U   
{"catalogNumber": "1305950", "order": "Brassicales", "family": "Brassicaceae", "scientificName": "Arabis holboellii var. retrofracta", "scientificNameAuthorship": "", "genus": "Arabis", "subgenus": "", "specificEpithet": "holboellii", "verbatimTaxonRank": "var.", "infraspecificEpithet": "retrofracta", "identifiedBy": "", "recordedBy": "Anton A. Reznicek", "recordNumber": "3927", "verbatimEventDate": "1973-05-12", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "", "county": "Simcoe", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}