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": ""}
 1945-05-27 ?a     ot m. p. widrlechner   NSneT rubus aboriginum   Rydb. l^ ]  CONTACT UM HERBARIUM &~Ey  Rogers McVaugh 2O   ROSALES U>d   ABORIGINUM l   Rubus O  6994 Kw   ROSACEAE Oft  1007538 N 1    :S? brazos  go united states TEXAS n q@    
{"catalogNumber": "1007538", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus aboriginum", "scientificNameAuthorship": "Rydb.", "genus": "Rubus", "subgenus": "", "specificEpithet": "aboriginum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "M. P. Widrlechner", "recordedBy": "Rogers McVaugh", "recordNumber": "6994", "verbatimEventDate": "1945-05-27", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Texas", "county": "Brazos", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}