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": ""}
  7.@_ dalea violacea united states @=hQ   # 6 1670  9 1895-07-07       Colorado     dalea _-Y.0    Ue emma j. cole  5F,L FABALES  J`:0 perrin's field, north denver    % GRPM 50332   D3-& violacea     A ON PARAIRIES 
{"catalogNumber": "", "order": "Fabales", "family": "", "scientificName": "Dalea violacea", "scientificNameAuthorship": "", "genus": "Dalea", "subgenus": "", "specificEpithet": "violacea", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "1670", "verbatimEventDate": "1895-07-07", "habitat": "On parairies", "occurrenceRemarks": "GRPM 50332", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "", "municipality": "", "locality": "Perrin's Field, North Denver", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}