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": ""}
   +O1: (L.) R. Br.  ~  H Sandy shore    D   NORTH END OF BURT LAKE  6 1222437  % /X  CALYSTEGIA SEPIUM       aN1H 2436      CONVOLVULACEAE p      so&, 1923-07-07   nfV* sepium
{"catalogNumber": "1222437", "order": "", "family": "Convolvulaceae", "scientificName": "Calystegia sepium", "scientificNameAuthorship": "(L.) R. Br.", "genus": "", "subgenus": "", "specificEpithet": "sepium", "verbatimTaxonRank": "", "infraspecificEpithet": "", "identifiedBy": "", "recordedBy": "", "recordNumber": "2436", "verbatimEventDate": "1923-07-07", "habitat": "Sandy shore", "occurrenceRemarks": "", "associatedTaxa": "", "country": "", "stateProvince": "", "county": "", "municipality": "", "locality": "North end of Burt Lake", "decimalLatitude": "", "decimalLongitude": "", "verbatimCoordinates": "", "minimumElevationInMeters": "", "maximumElevationInMeters": ""}