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": ""}
 P8v ROBERT W. SMITH    FEN UY       eutrochium  wt 41.97706 [stem hollow] dd7 X      @E~C -83.94441 michigan <  Asteraceae &R  a5terales d+TF   : VAR.      1984-08-18  ]sK lenawee  maculatum !  411 lTq/F  UNITE STATEcS    
{"catalogNumber": "", "order": "Asterales", "family": "Asteraceae", "scientificName": "", "scientificNameAuthorship": "", "genus": "Eutrochium", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "var.", "infraspecificEpithet": "maculatum", "identifiedBy": "", "recordedBy": "Robert W. Smith", "recordNumber": "411", "verbatimEventDate": "1984-08-18", "habitat": "fen", "occurrenceRemarks": "[stem hollow]", "associatedTaxa": "", "country": "United States", "stateProvince": "Michigan", "county": "Lenawee", "municipality": "", "locality": "", "decimalLatitude": "41.97706", "decimalLongitude": "-83.94441", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}