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": ""}
  z52 "FLOWERS DARK VIOLET-PURPLE; JUICE MILKY."     Campamula VA?    -7 45.438986   < <C campanulaceae     uR PRESQUE ISLE  M 9255         UNITED STATES W    ~HQU) L.
{"catalogNumber": "", "order": "", "family": "Campanulaceae", "scientificName": "", "scientificNameAuthorship": "L.", "genus": "Campanula", "subgenus": "", "specificEpithet": "", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "9255", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "\"Flowers dark violet-purple; juice milky.\"", "associatedTaxa": "", "country": "United States", "stateProvince": "", "county": "Presque Isle", "municipality": "", "locality": "", "decimalLatitude": "45.438986", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}