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": ""}
 l f muticum   U Michx.  / 0&_ 42.29218     Xg bank of river. anton a. reznicek PY   united states O p      6  ~  Ann Arbor; Cedar Bend, Huron River.     Cirsium muticum %;      f6L 1481951  -V t height 7 ft.  (4. washtenaw     
{"catalogNumber": "1481951", "order": "", "family": "", "scientificName": "Cirsium muticum", "scientificNameAuthorship": "Michx.", "genus": "", "subgenus": "", "specificEpithet": "muticum", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Anton A. Reznicek", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "", "habitat": "Bank of river.", "occurrenceRemarks": "Height 7 ft.", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Washtenaw", "municipality": "", "locality": "Ann Arbor; Cedar Bend, Huron River.", "decimalLatitude": "42.29218", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}