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": ""}
  xt/ SOLANALES   ! e. p. killip  corolla purple, with the tub3 pinkish-purple within 3H:   Au%nK PANDURATA   RLn. maryland     . ] 193-07-06  no oata provided on label of catalog no: 1460824 I uLK     e FLOOD-SWEPT LAND MONTGOMERPY <G*2    IPOMOEA PANDURATA D    n=~ 32145   
{"catalogNumber": "", "order": "Solanales", "family": "", "scientificName": "Ipomoea pandurata", "scientificNameAuthorship": "", "genus": "", "subgenus": "", "specificEpithet": "pandurata", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "E. P. Killip", "recordNumber": "32145", "verbatimEventDate": "1937-07-06", "habitat": "flood-swept land", "occurrenceRemarks": "corolla purple, with the tube pinkish-purple within", "associatedTaxa": "", "country": "", "stateProvince": "Maryland", "county": "Montgomery", "municipality": "", "locality": "no data provided on label of catalog no: 1460824", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}