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": ""}
 * canada    Michael J. Oldham 1N  Contact UM Herbarium  l    asterales ^   CIRSIUM ARUENSE VAR. VESTITUM IuH   .r+ 1441828 6413 y!e  ontario #+8+     jA VESTITUM     XB%O3 VAR.   arvense  Yx3   =?m CIRSIUM Asteraceae -  Wimmer & Grab. 73-L?  
{"catalogNumber": "1441828", "order": "Asterales", "family": "Asteraceae", "scientificName": "Cirsium arvense var. vestitum", "scientificNameAuthorship": "Wimmer & Grab.", "genus": "Cirsium", "subgenus": "", "specificEpithet": "arvense", "verbatimTaxonRank": "var.", "infraspecificEpithet": "vestitum", "identifiedBy": "", "recordedBy": "Michael J. Oldham", "recordNumber": "6413", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "Canada", "stateProvince": "Ontario", "county": "", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}