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 Rubus meracus    w& Contact UM Herbaprium  p8C rosaceae  IgG kentucky    H  | rosales  Uye  RU8US Widrlechner xW   1007607     FeT] 1937-07-10 united states ! f   ~-gm  madison   6:a(^ L.H. Bvailey  ,la meracus Mary E. Wharton z       ue9 849  
{"catalogNumber": "1007607", "order": "Rosales", "family": "Rosaceae", "scientificName": "Rubus meracus", "scientificNameAuthorship": "L.H. Bailey", "genus": "Rubus", "subgenus": "", "specificEpithet": "meracus", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "Widrlechner", "recordedBy": "Mary E. Wharton", "recordNumber": "849", "verbatimEventDate": "1937-07-10", "habitat": "", "occurrenceRemarks": "", "associatedTaxa": "", "country": "United States", "stateProvince": "Kentucky", "county": "Madison", "municipality": "", "locality": "Contact UM Herbarium", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}