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": ""}
  cav. ex lag. & rodr. E    D 1520693    BRACTEATA ,    SAaC~ verbenaceae   /MTD< North Denver, Perrin's Field  Wd6Y  COLORADO     U# Verbena bracteata  -.GDM 5687 Emma J Cole d5 O   o  B  DENVER GRPM 51385 `   HyciO 1895-07-09   rL# LAMIALES   HnD united states  ` VERBENA
{"catalogNumber": "1520693", "order": "Lamiales", "family": "Verbenaceae", "scientificName": "Verbena bracteata", "scientificNameAuthorship": "Cav. ex Lag. & Rodr.", "genus": "Verbena", "subgenus": "", "specificEpithet": "bracteata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Emma J. Cole", "recordNumber": "5687", "verbatimEventDate": "1895-07-09", "habitat": "", "occurrenceRemarks": "GRPM 51385", "associatedTaxa": "", "country": "United States", "stateProvince": "Colorado", "county": "Denver", "municipality": "", "locality": "North Denver, Perrin's Field", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}