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": ""}
    ! muhl.     u(A UNITED STATES  8 1987-05-30   I 41.934568  t %M N "shrub 4 m tall; lvs. glaucous beneath and sparsely copper-tomentose."     ZiR hillsdale S. of Dewey Rd., parallel to StateRd. Abovt 80 km SW of Ann Arbor. Jt[            
{"catalogNumber": "", "order": "", "family": "", "scientificName": "", "scientificNameAuthorship": "Muhl.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "", "verbatimEventDate": "1987-05-30", "habitat": "", "occurrenceRemarks": "\"Shrub 4 m tall; lvs. Glaucous beneath and sparsely copper-tomentose.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Hillsdale", "municipality": "", "locality": "S. of Dewey Rd., parallel to State Rd. About 80 km SW of Ann Arbor.", "decimalLatitude": "41.934568", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}