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": ""}
 r_@T DISCOLOR             TTt% 1897-08-18     CIRSIUM ;o`8/  (muhl. ex willd.b) spreng. g  asteraceae #$.  contact um herbariumj `W NH   UNITED STATES p@BI  L. M. UMBACH >NTE   =  Aster4les 1441905 @C  
{"catalogNumber": "1441905", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "(Muhl. ex Willd.) Spreng.", "genus": "Cirsium", "subgenus": "", "specificEpithet": "discolor", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "L. M. Umbach", "recordNumber": "", "verbatimEventDate": "1897-08-18", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}