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": ""}
 ) asteraceae   washtenaw B#v?  UNITED STATES Vl      jT  1481951   + -83.726644  gB1 g 42.29218   7 r@3 bank of river.     MICHIGAN hVx#$   MUTICUM b-+     _P!D 1927-08-18  cirsium JID S   michx.  o_A 
{"catalogNumber": "1481951", "order": "", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "Michx.", "genus": "Cirsium", "subgenus": "", "specificEpithet": "muticum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1927-08-18", "habitat": "Bank of river.", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Washtenaw", "municipality": "", "locality": "", "decimalLatitude": "42.29218", "decimalLongitude": "-83.726644", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}