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": ""}
   U@n   41.956509      ` L. robert w. smith TgEH`   oSn$ "Tall plants, up to 2 m., forming dense, extensive thicket."   -83.935655 IXE.*      8 1985-07-28      tj;f; LENAWEE  X 1356189     7[)1 EPILOBIUM HI/RSUTUM
{"catalogNumber": "1356189", "order": "", "family": "", "scientificName": "Epilobium hirsutum", "scientificNameAuthorship": "L.", "genus": "", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "", "verbatimEventDate": "1985-07-28", "habitat": "", "occurrenceRemarks": "\"Tall plants, up to 2 m., forming dense, extensive thicket.\"", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "41.956509", "decimalLongitude": "-83.935655", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}