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": ""}
 [z IPOMOEA  (y 19966 ROANE ]x  ipomoea pandurata IqZ4d     i VP UNITED STATES     yiQiA pandurata     7* convolvulaceae  PB Eula Whiteho5use  xgy tennessee      (M0 perennial vine; corolla white, throat purple      
{"catalogNumber": "", "order": "", "family": "Convolvulaceae", "scientificName": "Ipomoea pandurata", "scientificNameAuthorship": "", "genus": "Ipomoea", "subgenus": "", "specificEpithet": "pandurata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "Eula Whitehouse", "recordNumber": "19966", "verbatimEventDate": "", "habitat": "", "occurrenceRemarks": "Perennial vine; corolla white, throat purple", "associatedTaxa": "", "country": "United States", "stateProvince": "Tennessee", "county": "Roane", "municipality": "", "locality": "", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}