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": ""}
         a6 UNITED STATES  O MICHIGAN   *Ejl ROBERT W. SMITH     WE.cd Celtis ocidentalis    & Rosales Cannabaceae DdeB    -84.24216 T   a, CELTIS occidentalis 3    ra~ Lenawee
{"catalogNumber": "", "order": "Rosales", "family": "Cannabaceae", "scientificName": "Celtis occidentalis", "scientificNameAuthorship": "", "genus": "Celtis", "subgenus": "", "specificEpithet": "occidentalis", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "-84.24216", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}