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": ""}
  i L.      nashville >I    8* VIRGINICA  BS 1666291  ACALYPHA 7B ~[   Wlf EUPHORBIACEAE  acalypha virginica KZ   DAVIDSON  * [Y  2515 y^P  UNITED STATES  w=     malpighiales  k4Mep Tennessee  wj a. gattinqer    
{"catalogNumber": "1666291", "order": "Malpighiales", "family": "Euphorbiaceae", "scientificName": "Acalypha virginica", "scientificNameAuthorship": "L.", "genus": "Acalypha", "subgenus": "", "specificEpithet": "virginica", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "A. Gattinger", "recordNumber": "2515", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Davidson", "municipality": "", "locality": "Nashville", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}